δ −POLYNOMIAL BOUNDS FOR A SUBCLASS OF UNIVALENT FUNCTION REGARDING MODIFIED SIGMOID FUNCTION. The Journals of the Nigerian Association of Mathematical Physics, [S. l.], v. 63, p. 45 –54, 2022. Disponível em: https://nampjournals.org.ng/index.php/home/article/view/109.. Acesso em: 21 sep. 2024.