Ashot Enofovich Ustyan
Tula State Lev Tolstoy Pedagogical University
Russian Federation

сandidate of physical and mathematical Sciences, Professor, Professor
of the Department of algebra, mathematical analysis and geometry

Irina Vasilievna Dobrynina
Academy of Civil Protection of the Ministry of Emergencies of Russia
Russian Federation

doctor of physics and mathematics, professor, professor of
the department of higher mathematics

Yuri Edvardovich Trubitsyn

Russian Federation

candidate of physical and mathematical sciences, associate
professor

Andrey Sergeevich Ugarov
Tula State Lev Tolstoy Pedagogical University
Russian Federation

assistant of the department of algebra, mathematical analysis
and geometry

Nikolai Mihailovich Dobrovolsky
Tula State L. N. Tolstoy Pedagogical University
Russian Federation

doctor of physical and mathematical sciences, professor,
head of the Department algebra, calculus and geometry

Irina Yuryevna Rebrova
Tula State L. N. Tolstoy Pedagogical University
Russian Federation

candidate of physical and mathematical Sciences, associate professor,
dean of the faculty of mathematics, physics and computer science