HOLUB, A. P.; CHERNETSKA, L. O. Two-Dimensional Generalized Moment Representations and Padé Approximations for Some Humbert Series. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 65, n. 10, p. 1315–1331, 2013. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2511. Acesso em: 5 dec. 2025.