DIXIT, K. . K.; PORWAL, S. A subclass of harmonic univalent functions with positive coefficients. Tamkang Journal of Mathematics, [S. l.], v. 41, n. 3, p. 261–269, 2010. DOI: 10.5556/j.tkjm.41.2010.724. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/724. Acesso em: 26 apr. 2024.