%0 Journal Article %A K. JÄNICH %T On Invariants with the Novikov Additive Property. %J Mathematische Annalen %D 1970 %P 65-77 %V 184 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1970__184_161910/ %F MAN_1970__184_161910