CHO, Y. J.; HUANG, N. J.; XIANG, L. COINCIDENCE THEOREMS IN COMPLETE METRIC SPACES. Tamkang Journal of Mathematics, [S. l.], v. 30, n. 1, p. 1–7, 1999. DOI: 10.5556/j.tkjm.30.1999.4191. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4191. Acesso em: 4 may. 2024.