%0 Journal Article %A D. V. Lytkina %T Algebraically nonequivalent constructivization for %J Algebra i logika %D 1990 %P 659-674 %V 29 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1990_29_6_a3/ %G ru %F AL_1990_29_6_a3