\documentclass[12pt]{article}
\usepackage[cp1251]{inputenc}
\usepackage{mathtext}
\usepackage{amsmath,amssymb}
\usepackage[english,russian]{babel}
\usepackage[space]{cite}
\usepackage{fullpage}
\usepackage{setspace}
\usepackage{graphicx}
...
\begin{figure}[t]
\includegraphics[bb= 0 0 440 330, scale=0.50]{VarGraphs.jpg}
\put(-170,65){\fbox{$\begin{array}{c} m_c=m_{ab} \\ 2\sigma_c = \sigma_{ab} \end{array}$}}
\put(60,120){\fbox{$\begin{array}{c} m_c=2m_{ab} \\ \sigma_c = \sigma_{ab} \end{array}$}}
\large
\put(-185,170){$\eta_{ii}/\eta_0$}
\put(45,170){$\eta_{ii}/\eta_0$}
\put(0,25){$\varphi$}
\put(240,25){$\varphi$}
\put(-20,45){$\eta_{yy}$}
\put(-20,130){$\eta_{xx}$}
\put(207,165){$\eta_{xx}$}
\put(207,35){$\eta_{yy}$}
\label{fig:phi_dependences}
\end{figure}