V. M. Aldanov and G. A. Mikhalin, “Tauberian theorems with remainder for (H, p, α, β)-and (C, p, α, β)-methods of summation of functions of two variables”, Ukr. Mat. Zhurn., vol. 51, no. 8, pp. 1036–1044, Aug. 1999, Accessed: Apr. 07, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4694