%0 Journal Article %A A. S. Morozov %T Once again on the Higman question %J Algebra i logika %D 2000 %P 134-144 %V 39 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2000_39_2_a2/ %G ru %F AL_2000_39_2_a2