Мусабаева, Г. К. “Неравенство типа Бочкарева. Inequality Type Bochkarev”. Journal of Mathematics, Mechanics and Computer Science 82, no. 3 (September 28, 2014): 12–17. Accessed December 22, 2024. https://bm.kaznu.kz/index.php/kaznu/article/view/65.