%0 Journal Article %A V. M. Levchuk %T Connections between the unitriangular group and certain rings. I %J Algebra i logika %D 1976 %P 558-578 %V 15 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1976_15_5_a3/ %G ru %F AL_1976_15_5_a3