%0 Journal Article %A A. I. Kokorin %A G. T. Kozlov %T Extended elementary and universal theories of lattice-ordered %J Algebra i logika %D 1968 %P 91-103 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1968_7_1_a5/ %G ru %F AL_1968_7_1_a5