AL-HAWARY, T.; FRASIN, B.A.; DARUS, M. On sandwich theorems for p-valent functions involving a new generalized differential operator. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 60, n. 3, p. 395–402, 2015. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5779. Acesso em: 5 feb. 2025.