KRUCHININ, D. V.; SHABLYA, Y. V.; KRUCHININ, V. V.; SHELUPANOV, A. A. Properties of a Composition of Exponential and Ordinary Generating Functions. Communications in Mathematics and Applications, [S. l.], v. 9, n. 4, p. 705–711, 2018. DOI: 10.26713/cma.v9i4.1044. Disponível em: https://www.rgnpublications.com/journals/index.php/cma/article/view/1044. Acesso em: 3 may. 2024.