CHEN, Q.; NEVO, S.; PANG, X. A general differential inequality of the kth derivative that leads to normality. Annales Fennici Mathematici, [S. l.], v. 38, n. 2, p. 691–695, 2013. DOI: 10.5186/aasfm.2013.3833. Disponível em: https://afm.journal.fi/article/view/135459. Acesso em: 22 nov. 2024.