
\documentclass[11pt]{article}

\begin{document}


\title{An article about Space-time}

\date{March, 10 2003}

\author{Jo Smith\\
	\\
        Centre de Math\'ematiques\\
	CCSD/CNRS\\
	58, Avenue du Pr\'esident Wilson\\
	75008 Paris Cedex, FRANCE\\}
 
\maketitle

\abstract{
We show that solutions...
}


\section{Introduction and main results}

This paper is devoted to the study of...

\end{document}
