\usepackage{theorem,amsmath,amssymb,amscd}
\usepackage[latin1]{inputenc}
\usepackage{mathptmx}
\usepackage[scaled=.92]{helvet}
\usepackage{courier}
\usepackage[T1]{fontenc}
%\usepackage[english,german]{babel}
%\usepackage[dvips]{pstricks}
%\selectlanguage{english}


\usepackage[a5paper, left=1.5cm, right=1.5cm,
top=1.5cm, bottom=1.5cm]{geometry}

\parskip0pt
\parindent1em
\pagestyle{empty}

\newcommand\@authori{}
\newcommand\@authorii{}
\newcommand\@authoriii{}
\newcommand\@authoriv{}
\newcommand\@authorv{}
\newcommand\@authorvi{}

\newcounter{icount}
\setcounter{icount}{1}
\newcommand\makecmd[2]{%
\expandafter\renewcommand\csname #1\roman{icount}\endcsname{#2}%
}
\newcommand\@@author[1]{\makecmd{@author}{#1}}
\long\def\abstract#1{\long\gdef\@abstract{#1}}
\newcommand\speaker{{ }}
\newcommand\authorbreak{{}}
\renewcommand\title[1]{\renewcommand\@title{#1}}
\renewcommand\author[2]{
  \@@author{\authorbreak\small{\it #1$^\speaker$}\,
    \ifx#2\@empty\else({#2})\fi}
  \stepcounter{icount}
}
\newcommand\coauthor[2]{\renewcommand\speaker{{\,\star}}
  \@@author{\authorbreak\small{\it #1}\, 
    \ifx#2\@empty\else({#2})\fi}
  \stepcounter{icount}
}


\newdimen\bibindent
\setlength\bibindent{1.5em}
\renewenvironment{thebibliography}[1]
     {\small
      \list{\@biblabel{\@arabic\c@enumiv}}%
           {\settowidth\labelwidth{\@biblabel{#1}}%
            \leftmargin\labelwidth
            \itemsep-2pt
            \advance\leftmargin\labelsep
            \@openbib@code
            \usecounter{enumiv}%
            \let\p@enumiv\@empty
            \renewcommand\theenumiv{\@arabic\c@enumiv}}%
      \sloppy
      \clubpenalty4000
      \@clubpenalty \clubpenalty
      \widowpenalty4000%
      \sfcode`\.\@m}
     {\def\@noitemerr
       {\@latex@warning{Empty `thebibliography' environment}}%
      \endlist\normalsize}

%\sloppy
% \parskip0pt
% \parindent3ex
% \normalsize

\def\maketitle{
  {
    \parindent0pt
    {\raggedright\sloppy\bf\@title}
    \vskip1pt
    \@authori
    \renewcommand\authorbreak{\\[-1pt]}
    \@authorii
    \@authoriii
    \@authoriv
    \@authorv
    \@authorvi
    \vskip4pt
  }
}

