IBRAHIM, Alawiah; DARUS, Maslina; DRAGOMIR, Sever S. FEKETE-SZEGÖ PROBLEM FOR CONCAVE UNIVALENT FUNCTIONS DEFINED BY SĂLĂGEAN OPERATOR. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 32, p. 73–86, 2014. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6234. Acesso em: 7 aug. 2026.