%0 Journal Article %A M.A. Taylor %T Some varieties of groupoids which consist of abelian group or group isotopes. %J Aequationes mathematicae %D 1985 %P 156-160 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1985__28_137054/ %F AM2_1985__28_137054