L. O. Denishcheva
Moscow City Pedagogical University
Russian Federation

Larisa O. Denishcheva – Cand. Sci. (Education), Professor, Department of Mathematics and Physics,

Moscow.

Author ID 730525; Moscow.

I. S. Safuanov
Moscow City Pedagogical University
Russian Federation

Ildar S. Safuanov – Dr. Sci. (Education), Professor, Department of Mathematics and Physics,

Moscow.  Author ID 103864, Scopus Author ID 15731713700, Researcher ID R-9025-2017.

Yu. A. Semenyachenko
Moscow City Pedagogical University
Russian Federation

Yulia A. Semenyachenko – Cand. Sci. (Education), Associate Professor, Department of Mathematics and Physics,

Moscow.

Author ID 721324.