\documentclass[12pt]{article}
\usepackage{amssymb,amscd,latexsym,amsmath,amstext}
\usepackage{times}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage[french]{babel}
\usepackage[dvips]{graphicx} % pour inclure des figures
\usepackage[dvips]{epsfig}
\begin{document}