V. Ilyin
State University of Education
Russian Federation

ul. Very Voloshinoi 24, Mytishchi 141014, Moscow Region

I. Kokoeva
State University of Education
Russian Federation

ul. Very Voloshinoi 24, Mytishchi 141014, Moscow Region

P. Rodin
State University of Education
Russian Federation

ul. Very Voloshinoi 24, Mytishchi 141014, Moscow Region

A. Shimko
State University of Education
Russian Federation

ul. Very Voloshinoi 24, Mytishchi 141014, Moscow Region

Ya. Yalovenko
Moscow State Technical University named after N. E. Bauman (Kaluga branch)
Russian Federation

ul. Bazhenova 2, Kaluga 248000