%0 Journal Article %A Yu. N. Mal'tsev %T Some examples of varieties of associative rings %J Algebra i logika %D 1980 %P 669-675 %V 19 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1980_19_6_a4/ %G ru %F AL_1980_19_6_a4