%0 Journal Article %A M. I. Kanovich %T On the independence of invariant propositions %J Doklady Akademii Nauk %D 1984 %P 27-31 %V 276 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_276_1_a4/ %G ru %F DAN_1984_276_1_a4