%0 Journal Article %A Yu. L. Ershov %T Decidability of the elementary theory of relatively complemented %J Algebra i logika %D 1964 %P 17-38 %V 3 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1964_3_3_a2/ %G ru %F AL_1964_3_3_a2