PORWAL, S.; DIXIT, K. K. On a subclass of p-harmonic mappings. Tamkang Journal of Mathematics, [S. l.], v. 44, n. 3, p. 313–325, 2013. DOI: 10.5556/j.tkjm.44.2013.1053. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1053. Acesso em: 5 may. 2024.