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    \textbf{Mem. Differential Equations Math. Phys. ?? (201?), ??--??}
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\fontsize{9}{10pt}\selectfont \textbf{Abstract.}
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%{\fontspec{KA_DUMBADZE}\fontsize{10}{10pt}\selectfont \textbf{რეზიუმე.} %\fontspec{KA_AKADEMIURI}\fontsize{9}{10pt}\selectfont
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\noindent \textbf{2010 Mathematics Subject Classification:}
    Please insert AMS Mathematics Subject Classification numbers here, separated by commas.

\noindent \textbf{Key words and phrases:}
    Please insert your keywords here, separated by commas.
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Text.

\section*{Acknowledgments}

Please insert acknowledgments of the assistance of colleagues or similar notes of appreciation here.

Please insert information concerning research grant support here.


% References should be collected at the end of the paper and numbered in  %
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\bibitem{1}
I. T. Kiguradze and B. P\r{u}\v{z}a,
Theorems of Conti--Opial type for nonlinear functional-differential equations. (Russian)
\emph{Differ. Uravn.} \textbf{33} (1997), no. 2, 185--194;
translation in \emph{Differential Equations} \textbf{33} (1997), no. 2, 184--193.

\bibitem{2}
O. Jokhadze and S. Kharibegashvili, On the Cauchy and Cauchy-Darboux problems for semilinear wave equations.
\emph{Georgian Math. J.} \textbf{22} (2015), no. 1, 81-–104.

\bibitem{3} V. Lakshmikantham, D. D. Ba\v{\i}nov and P. S. Simeonov, Theory of impulsive differential equations. \emph{Series in Modern Applied Mathematics}, 6. \emph{World Scientific Publishing Co., Inc., Teaneck, NJ}, 1989.

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\centerline{(Received ??)}

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\noindent \textbf{Authors' addresses:}

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\noindent \textbf{First Author}

Address.

{\itshape E-mail:} \texttt{mdemp@rmi.ge}

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\noindent \textbf{Second address}

Address.

{\itshape E-mail:} \texttt{mdemp@rmi.ge}



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