%0 Journal Article %A V. I. Tumanov %T Lattices of equational theories of models %J Algebra i logika %D 1979 %P 488-504 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1979_18_4_a8/ %G ru %F AL_1979_18_4_a8