AL-QUFAIL, M. A.; ATASH, A. A.; BARAHMAH, S. S. Double and triple generating functions of Laguerre polynomials of two variables. University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 21, n. 1, p. 171–176, 2017. DOI: 10.47372/uajnas.2017.n1.a17. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/242. Acesso em: 16 may. 2024.