%0 Journal Article %A M. M. Erimbetov %T The relation of powers of formular subsets to the stability of %J Algebra i logika %D 1985 %P 627-630 %V 24 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1985_24_6_a0/ %G ru %F AL_1985_24_6_a0