Noreddin , M.M. and Tikhonenko , N.Y. (2025) “On convergence of the method of orthogonal polynomials of the approximate solution оf the second order integral equations with $\Pi$-kernels”, Ukrains’kyi Matematychnyi Zhurnal, 43(2), pp. 223–229. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/9361 (Accessed: 7 December 2025).