[1]
E. S. Sinaiskii, “Approximation method in problems of potential theory”, Ukr. Mat. Zhurn., vol. 52, no. 6, pp. 773–782, Jun. 2000, Accessed: Apr. 23, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4472