\documentclass[twoside]{article}

\usepackage{EYSM07}

\selectlanguage{english}
\begin{document}

\title{Submitting an abstract}

\author{José Pérez}
\email{jp@unex.es}
\address{Department of Mathematics. Avda. de Elvas, s/n. University of
Extremadura. 06071 Spain.}

\Title \markboth{Example of Abstract}{Example of Abstract}

\keywords{Paper. Computer. }

\AMS{60J80}

\summary{ Please write her your abstract. No more than one page. }

\acknowledgements{The research was supported by the Ministerio de
Educación y Ciencia and the FEDER through the Plan Nacional de
Investigación Científica, Desarrollo e Innovación Tecnológica.}
\begin{thebibliography}{99}
\bibitem{Daley68}Daley, D.J. (1968). {\it Extinction conditions for certain bisexual
Galton-Watson branching processes.} Z. Wahrsch. Verw. Geb., 9,
315-322.

\end{thebibliography}

\end{document}