\documentclass[a4paper,11pt,twoside]{article}
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% mathematical
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\usepackage[centertags]{amsmath}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{mathtext}
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% russian support
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\usepackage[cp1251]{inputenc}
\usepackage[T2A]{fontenc}
\usepackage[english,russian]{babel}
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% for pictures
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\usepackage[dvips]{graphicx}
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% minimal page layouts
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\usepackage{indentfirst} % normal first par in rus texts
\topmargin=0mm%
\headheight=16pt%
\footskip=40pt%
\oddsidemargin=0mm \evensidemargin=0mm%
\textheight=626pt%
\marginparsep=0pt%
\textwidth=154mm
\renewcommand{\baselinestretch}{1.21}
\newlength{\mathindent}
\setlength{\mathindent}{2.5em}
\allowdisplaybreaks
\raggedbottom
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\begin{document}
\graphicspath{{SimpsonDir/}} % sample if graphics used
% for USER's pages sample
\input{SimpsonDir/SimpsonHeadFile.tex}
% ....
\end{document}
% all information about authors and papers
% should be in another file in free style
% like here:
% \Author=A.~Simpson
% \JobPlace=Novosibirsk State University
% \Title=On the numerical modelling
% \Email=simpson@nsu.ru
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