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\lhead{\footnotesize{{\tiny\scshape \small{International Conference on Mathematics and Applications (ICMA 2023)\\
15-16 Mai, University Ferhat Abbas of Setif1, Algeria.}}}}
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\titre{ Your Title}
\autheur{\underline{ First Author$^{1}$}, {Second Author$^{2}$} and {Third Author$^{3}$ }}
\vspace{0.8cm}
\adresse{ $^{1}$Department of mathematics ,  University , \\
$^{2}$Department of mathematics ,  University ,\\
$^{2}$Department of mathematics ,  University ,
}{email@gmail.com}
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Your abstract \\
\end{abstract} 

\vspace{1cm}
{\textbf {{Keywords}:} Keywords 1, Keyword 2, Keywords 3, Keyword 4.  \\

{\bf { Mathematics Subject Classification:}} 


\vspace{2cm}

\section{Introduction}

..................................................
....................................................



\section{main results}

..................................................
.........
\vspace{1cm}


\textcolor{red}{Remark: The number of references should not exceed seven.}
\vspace{0.5cm}

\begin{thebibliography}{99}



\bibitem{AVK} {\sc A. Andronov, A. Vitt and S. Khaikin},
{\it Theory of Oscillations}, Pergamon Press, Oxford, 1966.

\bibitem {ALMT} {\sc J.C. Art\'{e}s, J. Llibre, J.C. Medrado and M.A. Teixeira}, 
{\it Piecewise linear differential systems with two real saddles}, Math. Comput. Simul. {\bf 95} (2013), 13--22.

\bibitem{BBCKN} {\sc M. di Bernardo, C. J. Budd, A. R. Champneys and P. Kowalczyk},
{\it Piecewise-Smooth Dynamical Systems: Theory and Applications}, Appl. Math. Sci. Series 163, Springer-Verlag, London, 2008.



\end{thebibliography}
\end{document}
