KOÓS, E. Contribution à l’étude de l’évolution de certainement. Verbum – Analecta Neolatina, [S. l.], v. 12, n. 2, p. 570–581, 2010. Disponível em: https://verbum-analectaneolatina.hu/index.php/verbum/article/view/533. Acesso em: 26 mar. 2023.