HEITTOKANGAS, J.; LAINE, I.; TOHGE, K.; WEN, Z.-T. Completely regular growth solutions of second order complex linear differential equations. Annales Fennici Mathematici, [S. l.], v. 40, n. 2, p. 985–1003, 2015. DOI: 10.5186/aasfm.2015.4057. Disponível em: https://afm.journal.fi/article/view/135584. Acesso em: 3 dec. 2024.