%0 Journal Article %A S. Balcerzyk %T On traces of exterior powers of a sum of two endomorphisms of a projective module %J Colloquium Mathematicum %D 1971 %P 203-211 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-23-2-203-211/ %R 10.4064/cm-23-2-203-211 %G en %F 10_4064_cm_23_2_203_211