\documentclass[a4paper, 12pt]{article}

\usepackage[top=2cm,bottom=2cm,left=3cm,right=3cm]{geometry}

\usepackage[T2A]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[english,russian]{babel}
\usepackage{indentfirst}

\usepackage{graphicx,wrapfig,subfig}
\usepackage{xcolor}

\usepackage{amsmath,amsfonts,amssymb,amsthm,mathrsfs,mathtools}

\usepackage[some]{background}
\usepackage{paratype}

\usepackage{cancel}
\usepackage{multirow}
\usepackage[colorlinks, linkcolor = blue]{hyperref}


\definecolor{titlepagecolor}{cmyk}{1,.60,0,.40}

\DeclareFixedFont{\bigsf}{T2A}{PTSans-TLF}{b}{n}{1.4cm}

\backgroundsetup{
scale=1,
angle=0,
opacity=1,
contents={\begin{tikzpicture}[remember picture,overlay]
 \path [fill=titlepagecolor] (-0.5\paperwidth,5) rectangle (0.5\paperwidth,10);  
\end{tikzpicture}}
}

\makeatletter

\def\printauthor{%                  
    {\large \@author}}              
\makeatother

\author{%
    Луговцов Глеб\\
    ФЭФМ МФТИ\\
    \texttt{lugovtsov.gs@phystech.edu}\vspace{40pt}\\
    % Author 2 name \\
    % Department name \\
    % \texttt{email2@example.com}
}