SRIVASTAVA, G.S.; SINGHAL, Chhaya. ON THE ORDER AND LOWER ORDER OF LAPLACE-STIELTJES TRANSFORMATIONS WITH INDEX PAIR (p, q). Italian Journal of Pure and Applied Mathematics, [S. l.], v. 36, p. 975–986, 2016. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6462. Acesso em: 16 aug. 2026.