%0 Journal Article %A Jacek Michalski %T On minimization theorems for polyadic groups H-derived from groups %J Beiträge zur Algebra und Geometrie %D 1991 %P 21-26 %V 32 %I mathdoc %U http://geodesic.mathdoc.fr/item/BAG_1991__32_138484/ %F BAG_1991__32_138484