PLAUMANN, P.; SABININA, L.; SBITNEVA, L. Some Varieties of Quasigroups, Loops and their Parastrophes. Communications in Mathematics and Applications, [S. l.], v. 3, n. 1, p. 75–85, 2012. DOI: 10.26713/cma.v3i1.146. Disponível em: https://www.rgnpublications.com/journals/index.php/cma/article/view/146. Acesso em: 28 apr. 2024.