\author{{\textmd {\textbf }}\\
  \fontsize{11}{13}\selectfont
  Akira Imada\\
  \fontsize{9}{11}\selectfont
  \textit{Brest State Technical University}\\
  \textit{Moskowskaja 267, 224017 Brest, Republic of Belarus}\\
  \textit{Email: akira@bstu.by}\\[10pt]
}
