YEN, C.-T. Simple rings of characteristic not 2 with associators in the left nucleus are associative. Tamkang Journal of Mathematics, [S. l.], v. 33, n. 1, p. 93-95, 2002. DOI: 10.5556/j.tkjm.33.2002.309. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/309. Acesso em: 12 may. 2021.