Zagorodnyuk, S. M. “Orthogonal Polynomials Related to Some Jacobi-Type Pencils”. Ukrains’kyi Matematychnyi Zhurnal 68, no. 9 (September 25, 2016): 1180-1190. Accessed April 19, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1913.