YOUSEF, Feras; AMOURAH, A.A.; DARUS, M. DIFFERENTIAL SANDWICH THEOREMS FOR p-VALENT FUNCTIONS ASSOCIATED WITH A CERTAIN GENERALIZED DIFFERENTIAL OPERATOR AND INTEGRAL OPERATOR. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 36, p. 543–556, 2016. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6585. Acesso em: 5 sep. 2026.