%\documentclass[a4paper, 12pt]{article} \documentclass[a4paper, 14pt]{extarticle} \usepackage[english, russian]{babel} \usepackage[T2A]{fontenc} \usepackage[utf8]{inputenc} \usepackage{comment} \usepackage{fontspec} \setmainfont{Times New Roman} \usepackage{amsmath} \usepackage{amssymb} \usepackage{geometry} \usepackage{titleps} \usepackage{graphicx} \DeclareGraphicsExtensions{.pdf, .jpg} \usepackage{wrapfig} \usepackage{indentfirst} \geometry{top=20mm} \geometry{bottom=25mm} \geometry{left=30mm} \geometry{right=10mm} \usepackage{float} \usepackage{wrapfig} \newpagestyle{main}{ \setheadrule{0.4pt} \sethead{ННГУ им Н.И. Лобачесвкого}{}{В. В. Пронин} \setfoot{}{\thepage}{} } \pagestyle{main} %\setcounter{page}{2} \linespread{1.5} \setlength{\parindent}{10mm} \setlength{\parskip}{1ex}