Ciao d. (Davide?),
il preambolo è questo:
\documentclass[12pt,a4paper,oneside,openright,titlepage,fleqn,
cleardoubleempty,abstractoff,pointlessnumbers,
headinclude,footinclude,tablecaptionabove]{scrbook}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{mathtools}
\usepackage{amsfonts,amssymb,amsthm}
\usepackage[italian]{varioref}
\usepackage[tight,italian]{minitoc}
\usepackage{makeidx}
\usepackage{multicol}
\usepackage{chngpage,calc}
\usepackage[dvipsnames,table,x11names]{xcolor}
\usepackage[italian]{babel}
\usepackage[writefile]{listings}
\usepackage{classicthesis-ldpkg}
\usepackage[parts,eulerchapternumbers,subfig]{classicthesis}
\usepackage[italian]{arsclassica}
\usepackage{graphicx}
\usepackage{wrapfig}
\usepackage{booktabs}
\usepackage{indentfirst}
\usepackage{paralist,enumitem}
\usepackage{empheq}
\usepackage{setspace}
\usepackage{cancel}
\usepackage[square,sort&compress]{natbib}
\usepackage{mdframed}