%0 Journal Article %A Draškovičová, Hilda %T Conditions for independence of varieties %J Mathematica slovaca %D 1977 %P 303-305 %V 27 %N 3 %U http://geodesic.mathdoc.fr/item/MASLO_1977_27_3_a12/ %G en %F MASLO_1977_27_3_a12