%0 Journal Article %A Gabor Czedli %T A Note on Lattice Horn Sentences with Three Variables %J Mathematica balkanica %D 1990 %P 209 %V 4 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1990_4_3-4_a0/ %F MABA_1990_4_3-4_a0