D. M. Bushev, “Conditions of Convergence Almost Everywhere for the Convolution of a Function with Delta-Shaped Kernel to this Function”, Ukr. Mat. Zhurn., vol. 67, no. 11, pp. 1461–1476, Nov. 2015, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2082