%0 Journal Article %A V. G. Drinfeld %T Commutative subrings of certain noncommutative rings %J Funkcionalʹnyj analiz i ego priloženiâ %D 1977 %P 11-14 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1977_11_1_a1/ %G ru %F FAA_1977_11_1_a1