\documentclass[a4paper,10pt,unicode]{book}
\usepackage[T2A]{fontenc}
\usepackage[utf8x]{inputenc}
\usepackage[russian]{babel}
\usepackage{amssymb}
\usepackage[pdftex]{graphicx}
\usepackage[pdftex, unicode, colorlinks]{hyperref} 

\title{Упругость анизотропных материалов}
\author{А.~А.~Ташкинов}

\begin{document}
\maketitle
\tableofcontents
\include{intro}
\include{c1}
\include{c2}
\include{c3}
\include{c4}
\end{document}