Vakhitova Svetlana Rifovna RussiaВоронеж Voronezh State University, Russia, 394006, Voronezh, Universitetskaya pl., 1 Applicant of the Chair of Digital Technologiesalgebraist@yandex.ru Author's articles On the Choice of Approximation for Number of Elements in the Sequence of Values for Simple Polynomial of Argument pq with Constraints on p and q