BOR, H. A NOTE ON A THEOREM OF BOSANQUET. Tamkang Journal of Mathematics, [S. l.], v. 30, n. 4, p. 311–314, 1999. DOI: 10.5556/j.tkjm.30.1999.4237. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4237. Acesso em: 3 may. 2024.