%0 Journal Article %A N. Kh. Kasymov %T Algebras over negative equivalences %J Algebra i logika %D 1994 %P 76-80 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1994_33_1_a3/ %G ru %F AL_1994_33_1_a3