%0 Journal Article %A G. Grätzer %T On a new notion of independence in universal algebras %J Colloquium Mathematicum %D 1967 %P 225-234 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-17-2-225-234/ %R 10.4064/cm-17-2-225-234 %G en %F 10_4064_cm_17_2_225_234