DEMENIN, A. N. The Laguerre functional polynomials, their properties and application . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 23, n. 4, p. 525–533, 1971. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8587. Acesso em: 6 dec. 2025.