%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% The abstract
must be written in LaTeX2e               %%
%% Make sure that your abstract
can be compiled before   %%
%% you send it to the organizer.
%%
%% Do not use personal macros in your TeX file, and,     %%
%% for the
sake of making your abstract understandable   %%
%% to a large audience and
to avoid difficulties with    %%
%% the handling of your file, please limit
the use of    %%
%% formulas as much as possible.
%%
%% We suggest that you do not include references in      %%
%% your
abstract. In case that you must have references, %%
%% then do not use
\cite commands.                       %%
%%
%%
%% For labels, try to write : \label{yourname01},        %%
%%
\label{yourname02}...                                 %%
%% Your abstract
should be no more than one page long.
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\documentclass{ar
ticle}
\usepackage{amsthm,amsmath,amssymb,latexsym}
\pagestyle{empty}
\textwidth
=12.8cm
\textheight=21.7cm
\hoffset=-0.3in
\voffset=-0.6in
\parskip=6pt
\lineski
p=18pt
%------------------------------------------------------------
\begin{docu
ment}
\baselineskip=15pt

\centerline{\large \bf Title of the Abstract}

\centerline{\large \bf Title to be Continued Here if Too Long}

\bigskip

\centerline{Author 1}
\centerline{\it Institution Name,
Country}
\centerline{e-mail {\tt Author 1}}

%%% in case of several
authors:
\smallskip
\centerline{Author 2}
\centerline{\it Institution Name,
Country}
\centerline{e-mail {\tt Author
2}}
%%%

\bigskip
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
\par
%   Text of the abstract

\bigskip

%%% in case of several
authors:
{\bf  Presented by ...}
%%%

\end{document}