NOWAK, M. Quasiorders, Tolerance Relations and Corresponding “Partitions”. Bulletin of the Section of Logic, [S. l.], v. 45, n. 2, p. 65–78, 2016. DOI: 10.18778/0138-0680.45.2.01. Disponível em: https://czasopisma.uni.lodz.pl/bulletin/article/view/1478. Acesso em: 3 may. 2024.