KIM, Y. C.; SUGAWA, T. A note on a theorem of Chuaqui and Gevirtz. Annales Fennici Mathematici, [S. l.], v. 33, n. 1, p. 273–279, 2008. Disponível em: https://afm.journal.fi/article/view/135230. Acesso em: 12 may. 2024.