I. F. Avdeev
Орловский государственный университет имени И. С. Тургенева
Russian Federation

Candidate of Physical and Mathematical Sciences, Associate Professor, assistant professor of mathematical and computer methods for the analysis of economic processes, Oryol State University named after IS Turgenev

F. S. Avdeev
Орловский государственный университет имени И. С. Тургенева
Russian Federation

doctor of pedagogical sciences, professor, Head of Department of Mathematics and Information Technologies, Oryol State University named after IS Turgenev

T. K. Avdeeva
Орловский государственный университет имени И. С. Тургенева
Russian Federation

doctor of pedagogical sciences, professor, Professor of the Department of Geometry and methods of teaching mathematics, Orel State University named after IS Turgenev