I. V. Skrypnik, “Pointwise estimates of potentials for higher-order capacities”, Ukr. Mat. Zhurn., vol. 49, no. 1, pp. 149–163, Jan. 1997, Accessed: Apr. 16, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4993