\def\firstpage{1}
\def\lastpage{15}
\def\mmamid{XXXX.xxxxxx}
\def\firstfootnote{1}
% mma style needs information bellow ======================================
\def\mmaauthor{MMA ltd. \sep A. Author \and {\v S}. Author}%Example:% F. Author\sep S. Author \and Th. Author
\def\mmatitle{MMAJ Title of Article}%Example:% Title of Article
\def\mmarunauthor{RunF. Author\sep {\v S}. Author \and Th. Author}%Example:% F. Author\sep S. Author \and Th. Author
\def\mmaruntitle{RunTitle of Article}%Example:% RunTitle of Article
\def\mmakeywords{guide, \LaTeX}
\def\mmaams{..}
\def\mmareceived{\today}
\def\mmarevised{\today}
\begin{filecontents*}{mma.def}
\endinput
\end{filecontents*}
% ************* Author's  references  ******************%
\begin{filecontents*}{x.bib}

@BOOK{book,
   author = "A. Author",
   title = "Difference methods for initial value problems",
   publisher = "Interscience Publishers, New York",
   year = "1998",
   note = "(in Russian)",
}


\end{filecontents*}
%************* end Author's references ******************%
\documentclass{mma}
%\includeonly{mma.def,mma22.def}
%
%\include{mma.def}
 \MMAJCLS
 \makeatletter

 \spnewtheorem*{west}{Test the West}{\bfseries}{\itshape}
 \@ifundefined{BibTeX}{%
 \def\BibTeX{\mbox{{\sc Bib}\TeX}}}{}
 \makeatother

\begin{document}
\bibliographystyle{plainmma}
%
This short document  \cite{A. Author}. 


\bibliography{x}
\end{document}