Some Identities on λ-analogues of r-Stirling Numbers of the Second Kind. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 15, n. 3, p. 1054–1066, 2022. DOI: 10.29020/nybg.ejpam.v15i3.4441. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4441.. Acesso em: 27 may. 2024.