1 \documentclass[fleqn,12pt]{article}
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   4 \usepackage{latexsym}
   5 \usepackage{amsmath}
   6 
   7 
   8 \usepackage{graphics}
   9 \usepackage{graphicx}
  10 \usepackage{epsfig}
  11 
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  24 \pagestyle{empty}
  25 \newtheorem{theo}{Theorem}
  26 \newtheorem{lemm}{Lemma}
  27 \newtheorem{coro}{Corollary}
  28 \newtheorem{defi}{Definition}
  29 \newtheorem{exam}{Example}
  30 \newtheorem{rem}{Comment}
  31 \begin{document}
  32 \begin{center}
  33 {\bf \large Title of the talk}
  34 
  35 \medskip
  36 {Name Surname of the author}
  37 
  38 \medskip
  39 {\it 
  40 affiliation}\\
  41 { \tt email@address}%
  42 \end{center}
  43 
  44 \medskip
  45 Body of the abstract
  46 
  47 \vspace{5mm} \noindent{\bf Acknowledgment}\\ This work was
  48 supported by ... (not compulsory)
  49 \begin{thebibliography}{99}
  50 \bibitem{P1} Author(s), Title of the paper, {\bf Journal},
  51 issue (year), pages. %
  52 \bibitem{B1} Author(s), Title of a monograph, Printing House, year.
  53 \end{thebibliography}
  54 \end{document}