% Document-style collection for journals published by Elsevier Science. 
% To be used with LaTeX version 2.09 of 14 January 1992 (or later) 
%
% Version: 2.12
% Date:    2 June 1994
%
% Copyright (C) 1994 by Elsevier Science. All rights reserved.
%
% IMPORTANT NOTICE:
%
% You are not allowed to change this file. You may however copy this file 
% to a file with a different name and then change the copy. 
% 
% You are NOT ALLOWED to distribute this file alone. You are NOT ALLOWED 
% to take money for the distribution or use of this file (or a changed 
% version) except for a nominal charge for copying etc. 
% 
% You are allowed to distribute this file under the condition that it is 
% distributed together with all files mentioned in readme.els. 
% 
% If you receive only some of these files from someone, complain! 
% 
%
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\def\esp@filedate{2 June 1994}
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\def\@journal{Elsevier Science}
\def\@issn{0}
\def\@jid{ELSART} \def\@shortjid{elsart}
\typeout{Elsevier Science preprint document style
\esp@fileversion \space\space <\esp@filedate>}
\def\partname{Part}
\def\contentsname{Contents}
\def\listfigurename{List of Figures}
\def\listtablename{List of Tables}
\def\refname{References}
\def\indexname{Index}
\def\figurename{Fig.}
\def\tablename{Table}
\def\abstractname{Abstract}
\def\@ptsize{2}
\def\ds@twoside{\@twosidetrue
                \@mparswitchtrue}
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\@twocolumnfalse
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\def\ds@onecolumn{\@twocolumnfalse
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\def\ds@twocolumn{\@twocolumnfalse
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\@namedef{ds@10pt}{}
\@namedef{ds@11pt}{}
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\def\@pagenumprefix{}
\newif\if@draft \@draftfalse
\def\query{}
\def\ds@draft{%
\@drafttrue
\def\query{\marginpar{???}}%
\overfullrule 5pt}
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\def\ds@seceqn{\@seceqntrue}
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\@options
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    \setleftmargin{ii}{$\cdot$}%
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\def\endeqnarray{\@@eqncr\egroup
 \global\advance\c@equation\m@ne$$\global\@ignoretrue }
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\def\pre@colii{\hskip 2\eqnarraycolsep \hfil} \def\post@colii{\hfil}
\def\pre@coliii{\hskip 2\eqnarraycolsep}      \def\post@coliii{\hfil}
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 \@addtoreset{equation}{section}
 \@addtoreset{table}{section}
 \@addtoreset{figure}{section}
 \def\theequation{\arabic{section}.\arabic{equation}}
 \def\thetable{\thesection.\arabic{table}}
 \def\thefigure{\thesection.\arabic{figure}}
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 \def\theequation{\arabic{equation}}
 \def\thefigure{\arabic{figure}}
 \def\thetable{\arabic{table}}
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\def\thesubsubsection{\thesubsection.\arabic{subsubsection}}
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\newtheorem{conj}[thm]{Conjecture}
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\def\l@subsection{\@dottedtocline{2}{1.40em}{2.24em}}
\def\l@subsubsection{\@dottedtocline{3}{2.24em}{3.09em}}
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  \addcontentsline{toc}{section}{\refname}%
  \@thebibliography}
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    \itemsep 0.3\@bls plus 0.1\@bls minus 0.1\@bls
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    \tolerance\@M \hyphenpenalty\@M \hbadness5000 \sfcode`\.=1000\relax}
\if@nameyear
  \def\@biblabel#1{}
\else
  \def\@biblabel#1{\hskip \z@ plus 1filll[#1]}
\fi
\newcount\@tempcntc
\def\@citex[#1]#2{\if@filesw\immediate\write\@auxout{\string\citation{#2}}\fi
 \@tempcnta\z@\@tempcntb\m@ne\def\@citea{}\@cite{\@for\@citeb:=#2\do
  {\@ifundefined
   {b@\@citeb}{\@citeo\@tempcntb\m@ne\@citea\def\@citea{,}{\bf ?}\@warning
   {Citation `\@citeb' on page \thepage \space undefined}}%
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   \ifnum\@tempcntc=\z@ \@citeo\@tempcntb\m@ne
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\def\@citeo{\ifnum\@tempcnta>\@tempcntb\else\@citea\def\@citea{,}%
 \ifnum\@tempcnta=\@tempcntb\the\@tempcnta\else
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   \advance\@tempcnta\m@ne\the\@tempcnta\@citea\the\@tempcntb}\fi\fi}
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\def\footnote{\@ifnextchar[{\@xfootnote}{\refstepcounter
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\def\footnotemark{\@ifnextchar[{\@xfootnotemark
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  \begingroup
    \let\protect\noexpand
    \xdef\@thefnmark{\thempfootnote}%
  \endgroup
  \@footnotemark}}
\def\@xmpfootnotemark[#1]{%
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    \let\protect\noexpand
    \xdef\@thefnmark{\thempfootnote}%
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  \else \if #1t\vtop
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  \else \@pboxswtrue $\vcenter
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  \everypar{\global\@minipagefalse\everypar{}}}
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\newbox\@tempboxb
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\def\contfigurecaption{\vskip-1pc \par \begingroup \@parboxrestore \normalsize
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\def\fnum@figure{\figurename~\thefigure}
\def\figure{\let\@makecaption\@makefigurecaption
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\let\endfigure\end@float
\@namedef{figure*}{\let\@makecaption\@makefigurecaption
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\@namedef{endfigure*}{\end@dblfloat}
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\def\fps@table{tbp}
\def\ftype@table{2}
\def\ext@table{lot}
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\let\endtable\end@float
\@namedef{table*}{\let\@makecaption\@maketablecaption \small
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\@namedef{endtable*}{\end@dblfloat}
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\def\add@xtok#1#2{\begingroup
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\endgroup}
\def\beg@elem{\global\t@loc@notes={}\global\note@cnt\z@}
\def\@xnamedef#1{\expandafter\xdef\csname #1\endcsname}
\def\no@harm{%
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  \let\ss=\relax \let\ae=\relax \let\oe=\relax
  \let\AE=\relax \let\OE=\relax
  \let\o=\relax  \let\O=\relax
  \let\i=\relax  \let\j=\relax
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  \let\d=\relax  \let\b=\relax \let\c=\relax
  \let\bar=\relax
  \def\protect{\noexpand\protect\noexpand}}
\def\proc@elem#1#2{\begingroup
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  \cur@elem=\csname e@#1\endcsname
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\def\elem@thanksref{\ifx\@peektok\relax
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\def\elem@morethanksref#1{\add@thanksref{#1}\elem@nothanksref}
\def\add@thanksref#1{\global\advance\note@cnt\@ne
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\def\thanks{\@ifnextchar[{\@tempswatrue
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\def\thanks@optarg[#1]#2{\refstepcounter{footnote}\if@tempswa
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  \add@tok\t@glob@notes{\footnotetext}%
  \add@xtok\t@glob@notes{[\the\c@footnote]}%
  \add@tok\t@glob@notes{{#2}}}
\def\frontmatter{%
  \let\@corresp@note\relax
  \global\t@glob@notes={}\global\c@author\z@
  \global\c@collab\z@ \global\c@address\z@
  \sv@mathsurround\mathsurround \m@th
  \global\n@author=0\n@author@\relax
  \global\n@collab=0\n@collab@\relax
  \global\advance\n@author\m@ne
  \global\advance\n@collab\m@ne
  \global\@firstauthortrue
  \global\@hasabstractfalse
  \global\@prefacefalse
  \@ifundefined{RIfM@}{}{\undo@AMS}%
  \parskip 4\p@
  \open@fm \ignorespaces}
\def\preface{\@prefacetrue}
\def\endfrontmatter{\global\n@author=\c@author
  \global\n@collab=\c@collab \@writecount
  \global\@topnum\z@
  \ifx\@firstpage\@lastpage
    \gdef\@pagerange{\@pagenumprefix\@firstpage}
  \else
    \gdef\@pagerange{\@pagenumprefix\@firstpage--\@pagenumprefix\@lastpage}
  \fi
  \thispagestyle{copyright}%
  \if@preface \else
  \history@fmt
  \newcount\c@sv@footnote
  \global\c@sv@footnote=\c@footnote
  \if@hasabstract
    \vskip 24pt plus 6pt minus 3pt
    \hrule height 0.4pt
    \vskip 8pt
    \unvbox\t@abstract
    \unvbox\t@keyword
    \vskip 10pt
    \hrule height 0.4pt
  \fi
  \dedicated@fmt
  \vskip 18pt
  \fi
  \close@fm
  \output@glob@notes
  \global\c@footnote=\c@sv@footnote
  \global\@prefacefalse
  \global\leftskip\z@
  \global\@rightskip\z@
  \global\rightskip\@rightskip
  \global\mathsurround\sv@mathsurround
  \let\title\relax       \let\author\relax
  \let\collab\relax      \let\address\relax
  \let\frontmatter\relax \let\endfrontmatter\relax
  \let\@maketitle\relax  \let\@@maketitle\relax
  \normal@text}
\let\maketitle\relax
\newdimen\t@xtheight
\t@xtheight\textheight \advance\t@xtheight-\splittopskip
\def\open@fm{\global\setbox\fm@box=\vbox\bgroup
  \hsize=\textwidth
  \centering
  \sv@hyphenpenalty\hyphenpenalty
  \hyphenpenalty\@M}
\def\close@fm{\egroup
  \fm@size=\dp\fm@box \advance\fm@size by \ht\fm@box
  \@whiledim\fm@size>\t@xtheight \do{%
    \global\setbox\@tempboxa=\vsplit\fm@box to \t@xtheight
    \unvbox\@tempboxa \newpage
    \fm@size=\dp\fm@box \advance\fm@size by \ht\fm@box}
  \if@TwoColumn
    \emergencystretch=1pc \twocolumn[\unvbox\fm@box]
  \else
    \unvbox\fm@box
  \fi}
\def\output@glob@notes{\bgroup
  \the\t@glob@notes
  \egroup}
\def\justify@off{\let\\=\@normalcr
  \leftskip\z@ \@rightskip\@flushglue \rightskip\@rightskip}
\def\justify@on{\let\\=\@normalcr
  \leftskip\z@ \@rightskip\z@ \rightskip\@rightskip}
\def\normal@text{\global\let\\=\@normalcr
  \global\leftskip\z@ \global\@rightskip\z@ \global\rightskip\@rightskip
  \global\parfillskip\@flushglue}
\def\@writecount{\write\@mainaux{\string\global
  \string\@namedef{n@author@}{\the\n@author}}%
  \write\@mainaux{\string\global\string
  \@namedef{n@collab@}{\the\n@collab}}}
\def\title{\@ifnextchar[{\@@title}{\@@title[]}}
\def\@@title[#1]#2{%
  \beg@elem
  \title@note@fmt
  \add@tok\t@glob@notes
    {\title@note@fmt}%
  \proc@elem{title}{#2}%
  \def\title@notes{\the\t@loc@notes}%
  \title@fmt{\@title}{\title@notes}%
  \ignorespaces}
\def\subtitle#1{%
  \beg@elem
  \proc@elem{subtitle}{#1}%
  \def\title@notes{\the\t@loc@notes}%
  \subtitle@fmt{\@subtitle}{\title@notes}%
  \ignorespaces}
\newdimen \@logoheight \@logoheight 5pc
\def\@Lhook{\vrule height \@logoheight width 0pt \vrule height 10pt width 0.2pt \vrule height 0.2pt width 10pt}
\def\@Rhook{\vrule height 0.2pt width 10pt \vrule height 10pt width 0.2pt \vrule height \@logoheight width 0pt}
\def\title@fmt#1#2{%
  \vspace*{12pt}
  {\Large #1\,\hbox{$^{#2}$}\par}%
  \vskip 24pt
  }
\def\subtitle@fmt#1#2{%
  {\Large #1\,\hbox{$^{#2}$}}\par}
\def\title@note@fmt{\def\thefootnote{\fnstar{footnote}}}
\def\author{\@ifnextchar[{\author@optarg}{\author@optarg[]}}
\def\author@optarg[#1]#2{\stepcounter{author}%
  \beg@elem
  \@for\@tempa:=#1\do{\expandafter\add@thanksref\expandafter{\@tempa}}%
  \report@elt{author}\proc@elem{author}{#2}%
  \author@fmt{\the\c@author}{\the\t@loc@notes}{\@author}}%
\def\author@fmt#1#2#3{\@newelemtrue
  \if@firstauthor
  \first@author \global\@firstauthorfalse \fi
  \ifnum\prev@elem=\e@author \global\@newelemfalse \fi
  \if@newelem \author@fmt@init \fi
  \edef\@tempb{#2}\ifx\@tempb\@empty
    \hbox{#3}\else
    \hbox{#3\,$^{\mathrm{#2}}$}%
  \fi}
\def\first@author{\author@note@fmt
  \add@tok\t@glob@notes
    {\author@note@fmt\@corresp@note}}%
\def\author@fmt@init{%
  \par
  \vskip 8pt plus 4pt minus 2pt
  \large
  \leavevmode}
\def\and{\unskip~and~}
\def\collab{\@ifstar{\collab@arg}{\collab@arg}}
\let\collaboration=\collab
\def\collab@arg#1{\stepcounter{collab}%
  \if@firstauthor \first@collab \global\@firstauthorfalse \fi
  \beg@elem
  \proc@elem{collab}{#1}%
  \collab@fmt{\the\c@collab}{\the\t@loc@notes}{\@collab}%
  \ignorespaces}
\def\collab@fmt#1#2#3{\@newelemtrue
  \ifnum\prev@elem=\e@collab \global\@newelemfalse \fi
  \if@newelem \collab@fmt@init \fi
  \par
  {\large #3\,$^{\mathrm{#2}}$}}
\def\first@collab{
  \collab@note@fmt
  \add@tok\t@glob@notes
    {\collab@note@fmt}}%
\def\collab@fmt@init{\vskip 1em}
\def\author@note@fmt{\setcounter{footnote}{0}%
  \def\thefootnote{\xarabic{footnote}}}
\let\collab@note@fmt=\author@note@fmt
\def\xarabic#1{%
  \expandafter\expandafter\expandafter\ifnum\expandafter\the\@nameuse{c@#1}<0
  *\else\arabic{#1} \fi}
\def\address{\@ifstar{\address@star}%
  {\@ifnextchar[{\address@optarg}{\address@noptarg}}}
\def\address@optarg[#1]#2{\refstepcounter{address}%
  \beg@elem
  \report@elt{address}\proc@elem{address}{#2}%
  \address@fmt{\the\c@address}{\the\t@loc@notes}{\@address}\label{#1}%
  \ignorespaces}
\def\address@noptarg#1{\refstepcounter{address}%
  \beg@elem
  \proc@elem{address}{#1}%
  \address@fmt{\z@}{\the\t@loc@notes}{\@address}%
  \ignorespaces}
\def\address@star#1{%
  \beg@elem
  \proc@elem{address}{#1}%
  \address@fmt{\m@ne}{\the\t@loc@notes}{\@address}%
  \ignorespaces}
\def\theaddress{\alph{address}}
\def\address@fmt#1#2#3{\@newelemtrue
  \ifnum\prev@elem=\e@address \@newelemfalse \fi
  \if@newelem \address@fmt@init \fi
  \noindent \bgroup \small\it
  \ifnum#1=\z@
    #3\,$^{\mathrm{#2}}$\space%
  \else
    \ifnum#1=\m@ne
      $^{\phantom{\mathrm{\theaddress}}}$\space #3\,$^{\mathrm{#2}}$%
    \else
      $^{\mathrm{\theaddress}}$\space #3\,$^{\mathrm{#2}}$%
    \fi
  \fi
  \par \egroup}
\def\address@fmt@init{%
  \par
  \vskip 6pt plus 3pt minus 1.5pt}
\def\abstract{\@ifnextchar[{\@abstract}{\@abstract[]}}
\def\@abstract[#1]{%
  \global\@hasabstracttrue
  \hyphenpenalty\sv@hyphenpenalty
  \global\setbox\t@abstract=\vbox\bgroup
  \leftskip\z@
  \@rightskip\z@ \rightskip\@rightskip \parfillskip\@flushglue
  \small
  \parindent 1em
  \noindent {\bf\abstractname}
  \vskip 0.5\@bls
  \ignorespaces}
\def\endabstract{\par \egroup}
\def\keyword{%
  \global\@hasabstracttrue
  \hyphenpenalty\sv@hyphenpenalty
  \def\sep{\unskip; }
  \def\MSC{\par\leavevmode\hbox {\it 1991 MSC:\ }}%
  \def\PACS{\par\leavevmode\hbox {\it PACS:\ }}%
  \def\JEL{\par\leavevmode\hbox {\it JEL classification:\ }}%
  \let\UK\relax \let\CK\relax
  \global\setbox\t@keyword=\vbox\bgroup
  \small
  \parskip\z@
  \vskip 10pt plus 2pt minus 2pt
  \noindent {\it Keywords:\ }%
  \justify@off
  \ignorespaces}
\def\endkeyword{\par \egroup}
\def\journal#1{\gdef\@journal{#1}}
\def\volume#1{\gdef\@volume{#1}}       \def\@volume{0}
\def\issue#1{\gdef\@issue{#1}}         \def\@issue{0}
\newcount\@pubyear
\newcount\@copyear
\@pubyear=\number\year
\@copyear\@pubyear \advance\@copyear-1900
\def\pubyear#1{\global\@pubyear#1
  \global\@copyear\@pubyear \global\advance\@copyear-1900
  \ignorespaces}
\def\firstpage#1{\def\@tempa{#1}\ifx\@tempa\@empty\else
  \gdef\@firstpage{#1}\gdef\@lastpage{#1}%
  \global\c@page=#1 \ignorespaces\fi
  }
\def\@firstpage{1}
\def\lastpage#1{\def\@tempa{#1}\ifx\@tempa\@empty\else
  \gdef\@lastpage{#1}\ignorespaces\fi}
\def\@lastpage{0}
\def\@pagerange{1--0}
\def\date#1{\gdef\@date{#1}}                  \def\@date{\today}
\def\aid#1{}
\def\ssdi#1#2{}
\def\received#1{\def\@tempa{#1}\ifx\@tempa\@empty\else\gdef\@received{#1}\fi}
  \def\@received{\@nil}
\def\revised#1{\def\@tempa{#1}\ifx\@tempa\@empty\else\gdef\@revised{#1}\fi}
  \def\@revised{\@nil}
\def\accepted#1{\def\@tempa{#1}\ifx\@tempa\@empty\else\gdef\@accepted{#1}\fi}
  \def\@accepted{\@nil}
\def\communicated#1{\def\@tempa{#1}\ifx\@tempa\@empty\else\gdef\@communicated{#1}\fi}
  \def\@communicated{\@nil}
\def\dedicated#1{\def\@tempa{#1}\ifx\@tempa\@empty\else\gdef\@dedicated{#1}\fi}
  \def\@dedicated{\@nil}
\def\presented#1{\def\@tempa{#1}\ifx\@tempa\@empty\else\gdef\@presented{#1}\fi}
  \def\@presented{\@nil}
\def\articletype#1{\gdef\@articletype{#1}}
  \@ifundefined{@articletype}{\def\@articletype{}}{}
\def\received@prefix{Received~}
\def\revised@prefix{; revised~}
\def\accepted@prefix{; accepted~}
\def\communicated@prefix{\\Communicated~by~}
\def\history@prefix{}
\def\received@postfix{}
\def\revised@postfix{}
\def\accepted@postfix{}
\def\communicated@postfix{}
\def\history@postfix{}
\def\empty@data{\@nil}
\def\history@fmt{%
  \bgroup
  \small
  \vskip 6pt plus 2pt minus 1pt
  \ifx\@received\empty@data \else
    \leavevmode
    \history@prefix
    \received@prefix\@received \received@postfix%
    \ifx\@revised\empty@data \else
      \revised@prefix\@revised \revised@postfix%
    \fi
    \ifx\@accepted\empty@data \else
      \accepted@prefix\@accepted \accepted@postfix%
    \fi
    \ifx\@communicated\empty@data \else
      \communicated@prefix\@communicated \communicated@postfix%
    \fi
    \history@postfix
  \fi
  \par \egroup}
\def\dedicated@fmt{%
  \ifx\@dedicated\empty@data \else
    \vskip 4pt plus 3pt
    \normalsize\it\centering \@dedicated
    \fi}
\def\@ialph#1{\ifcase#1\or \or \or \or \or e\or f\or g\or h\or i\or j\or
  k\or \ell\or m\or n\or o\or p\or q\or r\or s\or t\or u\or v\or w\or x\or
  y\or z\or aa\or ab\or ac\or ad\or ae\or af\or ag\or ah\or ai\or aj\or
  ak\or a\ell\or am\or an\or ao\or ap\or aq\or ar\or as\or at\or au\or av\or
  aw\or ay\or az\or ba\or bb\or bc\or bd\or be\or bf\or bg\or bh\or bi\or
  bj\or bk\or b\ell\or bm\or bn\or bo\or bp\or bq\or br\or bs\or bt\or
  bu\or bw\or bx\or by\or bz\or ca\or cb\or cc\or cd\or ce\or cf\or cg\or
  ch\or ci\or cj\or ck\or c\ell\or cm\or cn\or co\or cp\or cq\or cr\or
  cs\or ct\or cu\or cw\or cx\or cy\or cz\else\@ctrerr\fi}
\def\fnstar#1{\@fnstar{\@nameuse{c@#1}}}
\def\@fnstar#1{\ifcase#1\or
    \hbox{$\star$}\or
    \hbox{$\star\star$}\or
    \hbox{$\star\star\star$}\or
    \hbox{$\star\star\star\star$}\or
    \hbox{$\star\star\star\star\star$}\or
    \hbox{$\star\star\star\star\star\star$}
  \else
    \@ctrerr
  \fi
  \relax}
\mark{{}{}}
\def\ps@plain{\let\@mkboth\@gobbletwo
 \def\@oddhead{}%
 \def\@evenhead{}%
 \def\@oddfoot{\hfil {\rm\thepage} \hfil}%
 \let\@evenfoot\@oddfoot}
\def\@copyright{\@issn/\the\@copyear/\$\@price\ $\copyright$\ \the\@pubyear\
  Elsevier Science B.V. All rights reserved}
\def\@jou@vol@pag{\@journal\ \@volume\ (\the\@pubyear)\ \@pagerange}
\let\@j@v@p\@jou@vol@pag
\let\@@j@v@p\@jou@vol@pag
\def\sectionmark#1{}
\def\subsectionmark#1{}
\def\ps@copyright{\let\@mkboth\@gobbletwo
  \def\@oddhead{}%
  \let\@evenhead\@oddhead
  \def\@oddfoot{\small\sl
    \def\@tempa{0}
    \ifx\@volume\@tempa
      Preprint submitted to \@journal\hfil\@date\/%
    \else
      Article published in \@jou@vol@pag\hfil\hbox{}\fi}%
  \let\@evenfoot\@oddfoot
}
\let\ps@noissn\ps@empty
\let\ps@headings\ps@plain
\def\today{\number\day\space\ifcase\month\or
  January\or February\or March\or April\or May\or June\or
  July\or August\or September\or October\or November\or December\fi
  \space\number\year}
\if@nfss \relax \else
  \def\mathrm#1{{\rm #1}}
  \let\@@mit=\mit
  \def\mit#1{{\@@mit #1}}
\fi
\def\nuc#1#2{\relax\ifmmode{}^{#1}{\protect\text{#2}}\else${}^{#1}$#2\fi}
\def\itnuc#1#2{\setbox\@tempboxa=\hbox{\scriptsize\it #1}
  \def\@tempa{{}^{\box\@tempboxa}\!\protect\text{\it #2}}\relax
  \ifmmode \@tempa \else $\@tempa$\fi}
\let\old@vec\vec
\def\pol#1{\old@vec{#1}}
\def\@bfvec#1{\boldsymbol{#1}}
\def\@pmbfvec#1{\pmb{#1}}
\def\undo@AMS{\global\let\vec\@bfvec}
\def\half{{\textstyle {1\over2}}}
\def\threehalf{{\textstyle {3\over2}}}
\def\quart{{\textstyle {1\over4}}}
\def\d{\,\mathrm{d}}
\def\e{\mathop{\mathrm{e}}\nolimits}
\def\int{\intop}
\def\oint{\ointop}
\newbox\slashbox \setbox\slashbox=\hbox{$/$}
\newbox\Slashbox \setbox\Slashbox=\hbox{\large$/$}
\def\pFMslash#1{\setbox\@tempboxa=\hbox{$#1$}
  \@tempdima=0.5\wd\slashbox \advance\@tempdima 0.5\wd\@tempboxa
  \copy\slashbox \kern-\@tempdima \box\@tempboxa}
\def\pFMSlash#1{\setbox\@tempboxa=\hbox{$#1$}
  \@tempdima=0.5\wd\Slashbox \advance\@tempdima 0.5\wd\@tempboxa
  \copy\Slashbox \kern-\@tempdima \box\@tempboxa}
\def\FMslash{\protect\pFMslash}
\def\FMSlash{\protect\pFMSlash}
\mathchardef\Gamma="0000
\mathchardef\Delta="0001
\mathchardef\Theta="0002
\mathchardef\Lambda="0003
\mathchardef\Xi="0004
\mathchardef\Pi="0005
\mathchardef\Sigma="0006
\mathchardef\Upsilon="0007
\mathchardef\Phi="0008
\mathchardef\Psi="0009
\mathchardef\Omega="000A
\mathchardef\varGamma="0100
\mathchardef\varDelta="0101
\mathchardef\varTheta="0102
\mathchardef\varLambda="0103
\mathchardef\varXi="0104
\mathchardef\varPi="0105
\mathchardef\varSigma="0106
\mathchardef\varUpsilon="0107
\mathchardef\varPhi="0108
\mathchardef\varPsi="0109
\mathchardef\varOmega="010A
\if@nfss
  \def\Cset{\Bbb{C}}
  \def\Hset{\Bbb{H}}
  \def\Nset{\Bbb{N}}
  \def\Qset{\Bbb{Q}}
  \def\Rset{\Bbb{R}}
  \def\Zset{\Bbb{Z}}
\fi
\ps@headings
\pagenumbering{arabic}
\def\thepage{\@pagenumprefix\arabic{page}}
\endinput