m -medial n -quasigroups Tomáš Kepka (1991) Commentationes Mathematicae Universitatis Carolinae For n ≥ 4 , every n -medial n -quasigroup is medial. If 1 ≤ m < n , then there exist m -medial n -quasigroups which are not ( m + 1 ) -medial.
Multiquasigroups and weighted projective planes Alija Mandak (2007) Kragujevac Journal of Mathematics