BANDYRSKII, B. I.; MAKAROV, V. L.; ROMANIUK, N. M. Generalization of resonance equations for the Laguerre- and Legendre-type polynomials to the fourth-order equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 11, p. 1529–1538, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1533. Acesso em: 5 dec. 2025.