% TITLEPAGE DOCUMENT-STYLE OPTION - released 27 January 1985
%    for LaTeX version 2.09
% Copyright (C) 1985 by Leslie Lamport
% PREPARING A FOREIGN LANGUAGE VERSION:
% This document style is for documents prepared in the English language.
% To prepare a version for another language, various English words must
% be replaced.  All the English words that required replacement are
% indicated below, where we give the name of the command in which the
% words appear, and the entire line containing the word(s), with the
% actual words underlined.
% abstract environment:
% {\bf Abstract}
%      ~~~~~~~~
\def\maketitle{\begin{titlepage}
 \let\footnotesize\small      % Local definitions to make \thanks produce
 \let\footnoterule\relax      % \normalsize footnotes with no separating rule.
 \setcounter{page}{0}
 \null
 \vfil
 \vskip 60pt                   % To adjust centering.
 \begin{center}
   {\LARGE \@title \par}        % Set title in \LARGE size.
   \vskip 3em                  % Vertical space after title.
   {\large                     % Set author in \large size.
     \lineskip .75em
     \begin{tabular}[t]{c}\@author 
     \end{tabular}\par}      
    \vskip 1.5em               % Vertical space after author.
   {\large \@date \par}        % Set date in \large size.
\end{center} \par
\@thanks
\vfil
\null
\end{titlepage}
\setcounter{footnote}{0}       % Footnotes start at zero again.
\let\thanks\relax
\gdef\@thanks{}\gdef\@author{}\gdef\@title{}\let\maketitle\relax}    
\def\abstract{\titlepage
\null\vfil
\begin{center}
{\bf Abstract}
\end{center}}
\def\endabstract{\par\vfil\null\endtitlepage}