%0 Journal Article %A G. V. Dorofeev %T Nucleus and center of nonassociative rings %J Algebra i logika %D 1973 %P 530-549 %V 12 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1973_12_5_a2/ %G ru %F AL_1973_12_5_a2