PANEVA-KONOVSKA, J. Complete systems of Bessel and inversed Bessel polynomials in spaces of holomorphic functions. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 89, p. 79–88, 1997. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/357. Acesso em: 25 nov. 2024.