ASIF, Mohammad; GUPTA, Anju. GENERALIZED EXPONENTIAL OPERATORS AND DIFFERENCE EQUATIONS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 33, p. 15–34, 2014. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6280. Acesso em: 7 aug. 2026.