AN, L. V. . THE FEKETE -SZEGO ̈ PROBLEM OF ANALYTIC FUNCTIONS BASED ON THE DEFERENtIAL OPERTOR AND CERTAIN SUBCLASSES. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 22, p. 40–52, 2023. DOI: 10.24297/jam.v22i.9499. Disponível em: https://www.rajpub.com/index.php/jam/article/view/9499. Acesso em: 15 may. 2024.