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\documentclass[a4paper,oneside,11pt]{book}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[francais]{babel}
\usepackage{graphics}
\usepackage{slashbox}
\usepackage{graphicx}
\usepackage{rotating}
\usepackage{indentfirst}
\usepackage{multirow}
\usepackage ...