Plaumann P, Sabinina L, Sbitneva L. Some Varieties of Quasigroups, Loops and their Parastrophes. Comm. Math. Appl. [Internet]. 2012 Jan. 29 [cited 2024 Apr. 28];3(1):75-8. Available from: https://www.rgnpublications.com/journals/index.php/cma/article/view/146