HEITTOKANGAS, J.; KORHONEN, R.; RÄTTYÄ, J. Growth estimates for solutions of linear complex differential equations. Annales Fennici Mathematici, [S. l.], v. 29, n. 1, p. 233–246, 2004. Disponível em: https://afm.journal.fi/article/view/135102. Acesso em: 25 nov. 2024.