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\begin{document}
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\begin{center}
\includegraphics[ width=0.2\textwidth]{log_univ.png}
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\begin{RLtext}
وزارة التعليم العالي والبحث العلمي
\end{RLtext}
Minist\`ere de l’Enseignement Supérieur\\ 
et de la Recherche Scientifique
\end{center}
\begin{minipage}[t]{8cm}
\textsc{Univesrité Badji Mokhtar-Annaba} \vspace{0.5\baselineskip}  \\
\textsc{Badji Mokhtar-Annaba University}\vspace{0.5\baselineskip}\\
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\begin{minipage}[t]{8cm}
\begin{RLtext}
جامعـة باجـي مختـار\\

       عنـابـة

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\begin{center}
\textbf{Faculté des Sciences} \vspace{0.5\baselineskip}\\ 
\emph{\textbf{Département de Mathématiques}} \vspace{0.5\baselineskip} \\
\ovalbox{\Large\textbf{ MEMOIRE }} \normalsize
 \vspace{2\baselineskip} \\
Présenté en vue de l'obtention du diplôme de \textbf{Master en Mathématiques}\\
\vspace{0.75\baselineskip}
\fbox{
\LARGE\textbf
{Etude de l'équation de Helmholtz}
} 
\normalsize
\\
\vspace{1\baselineskip}
\textbf{Filière:}\vspace{1\baselineskip} \\ 
\large{EDP  et applications} \vspace{1\baselineskip} \\ 
\large\textbf{Présentée par $M^{lle}$:}\normalsize \vspace{1\baselineskip}\\ 
\large{ZITOUNI Rym} \vspace{1\baselineskip}\\ 
\large\textbf{Sous la direction du}\vspace{1\baselineskip} \\ 
\large{Prof. ALEM Leïla}  
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\vspace{1\baselineskip}
\begin{center}
\large\textbf{Devant le jury} \vspace{1.5\baselineskip}\\
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\begin{tabular}{llllll}
\textbf{PRESIDENT: } & M. L. CHORFI  & \ \ \ \ \ Prof. & \ \ \ \ \ \ \ UBM Annaba  \\
\textbf{Examinateur: } & M. A. SELMI & \ \ \ \ \ M.C.A & \ \ \ \ \ \ \ UBM Annaba 
\end{tabular}
\vspace{2\baselineskip} 
\begin{center}
\large\textbf{ Session : Juin 2018}\\
\end{center}
\end{document}
