::
Ecco il mio preambolo:
`\documentclass[twoside,11pt]{amsbook}
\usepackage{amssymb,latexsym}
\usepackage[T1]{fontenc}
\usepackage[german]{babel}
\usepackage{layout}
\usepackage{fancyhdr}
\pagestyle{plain}
\usepackage{imakeidx}
\usepackage{times}
\makeindex
`
Ciao,
davide
