[1]
I. Y. . Tyrygin, “On inequalities of the Turan type in certain integral metrics”, Ukr. Mat. Zhurn., vol. 40, no. 2, pp. 256–260, Feb. 1988, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/9129