%0 Journal Article %A T. N. Fomenko %T Algebraic properties of certain cohomological invariants of equivariant mappings %J Matematičeskie zametki %D 1991 %P 108-117 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_50_1_a12/ %G ru %F MZM_1991_50_1_a12