%0 Journal Article %A E. G. Shul'geifer %T On categorical equivalence of polysort algebra varieties to monosort algebra varieties %J Fundamentalʹnaâ i prikladnaâ matematika %D 1996 %P 279-288 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_1996_2_1_a14/ %G ru %F FPM_1996_2_1_a14