\documentclass[12pt,a4paper,titlepage]{book}
\setcounter{tocdepth}{2} 
\frenchspacing
\usepackage{amsthm}
\usepackage{epsfig}
\usepackage{alltt}
\usepackage{young}
\usepackage{makeidx}
\usepackage{newlfont}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{amsxtra}
\usepackage{alltt}
\usepackage{mathrsfs}
\usepackage{stmaryrd}
\usepackage{amscd}
\usepackage[ngerman]{babel}
\usepackage{verbatim}
\usepackage{ae}
\usepackage{xstring}
\input{xy}
\xyoption{all}
\renewcommand{\floatpagefraction}{0.2}
\renewcommand{\figurename}{ }
\usepackage[T1]{fontenc}
\newcommand{\changefont}[3]{
\fontfamily{#1} \fontseries{#2} \fontshape{#3} \selectfont}
\renewcommand{\familydefault}{ptm}
\makeindex

%% Abgeschrieben aus dem Internet!
\makeatletter
\renewcommand\tableofcontents{%
\if@twocolumn
\@restonecoltrue\onecolumn
\else
\@restonecolfalse
\fi
\chapter*{\contentsname}%
\@mkboth{%
\MakeUppercase\contentsname}{\MakeUppercase\contentsname}%
\@starttoc{toc}%
\if@restonecol\twocolumn\fi
}
\makeatother
\input{newcommands}
\usepackage{xr-hyper}
\usepackage[pdftex,
        colorlinks,
        urlcolor=blue,       % \href{...}{...} external (URL)
        filecolor=green,     % \href{...} local file
        linkcolor=red,       % \ref{...} and \pageref{...}
        pdftitle={Lineare Algebra 1},
        pdfauthor={Wolfgang Soergel},
        pdfsubject={Lineare Algebra  1},
        pdfkeywords={Lineare Algebra  1, Skript, Skriptum},
        bookmarksopen=true]{hyperref}
  
%\usepackage{showkeys}
\input{externaldocuments}%\externaldocument{XXALLES}
\input{newtheorems}
\renewcommand{\eref}[2]{\ref{#1}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\begin{document}
\title{LINEARE ALGEBRA I\\MIT GRUNDLAGEN}
\author{Wolfgang Soergel}
\maketitle
\setcounter{page}{2}
\input{VorredeLA1GR}
\tableofcontents

\chapter{Einstimmung und Grundbegriffe}
\input{VorredeGR}

%\minitoc
\newpage\include{Einstimmung}\newpage
\include{An01Grundlagen}\newpage
\include{AlgGrundbegriffe}\newpage
\include{DankGR}\newpage

\chapter{Lineare Algebra I}
\include{VorredeLA1}




\newpage
\include{Gleichungssysteme}\newpage
\include{Aff}\newpage
\include{RingeundPolynome}\newpage
\include{Eigenwerte}\newpage
\include{DankLA1}\newpage 
\include{LA1WS1415}\newpage
\include{ELSS18}\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\cleardoublepage
\phantomsection
\addcontentsline{toc}{section}{Literaturverzeichnis}
\bibliographystyle{amsalpha}\bibliography{pub,Skr}
\cleardoublepage
\phantomsection
\addcontentsline{toc}{section}{Index}
\printindex
%\pageimagestats
\end{document}