%0 Journal Article %A A. G. Pinus %T L\"owenheim numbers for skeletons of varieties %J Algebra i logika %D 1991 %P 214-225 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1991_30_2_a5/ %G ru %F AL_1991_30_2_a5