HEITTOKANGAS, Janne; LAINE, Ilpo; TOHGE, Kazuya; WEN, Zhi-Tao. 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: 13 dec. 2025.