[1]
O. I. Kuznetsovci, “Asymptotic behavior of Lebesgue functions of two variables”, Ukr. Mat. Zhurn., vol. 47, no. 2, pp. 220–226, Feb. 1995, Accessed: Apr. 07, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5406