TIMOTHY OLOYEDE OPOOLA; EZEKIEL ABIODUN OYEKAN; SEYI DEBORAH OLUWASEGUN; PETER OLUWAFEMI ADEPOJU. New subfamilies of univalent functions defined by Opoola differential operator and connected with modified Sigmoid function. Malaya Journal of Matematik, India, v. 11, n. S, p. 53–69, 2023. DOI: 10.26637/mjm11S/004. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1957. Acesso em: 22 dec. 2024.