GavrilyukI. P. and MakarovV. L. (2019) “Resonant equations with classical orthogonal polynomials. I”, Ukrains’kyi Matematychnyi Zhurnal, 71(2), pp. 190-209. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1431 (Accessed: 27September2024).