\documentclass[a4paper,14pt]{extarticle}
\usepackage[sorting=none,
style=gost-numeric,
language=auto,
autolang=other,
backend=biber]{biblatex}
\addbibresource{mybibfile.bib}
\usepackage{setup}
\begin{document}
\input{chapters/title-page}
\clearpage
\tableofcontents
\thispagestyle{empty}
\clearpage
\setcounter{page}{3}
\input{chapters/body}
\clearpage
\printbibliography[heading=bibintoc,title={Література}]
\clearpage
\input{chapters/appendix}
\clearpage
\input{chapters/summary}
\end{document}
