DI BIASE, F.; STOKOLOS, A.; SVENSSON, O.; WEISS, T. On the sharpness of the Stolz approach. Annales Fennici Mathematici, [S. l.], v. 31, n. 1, p. 47–59, 2006. Disponível em: https://afm.journal.fi/article/view/135148. Acesso em: 9 may. 2024.