%0 Journal Article %A V. V. Lychagin %A V. N. Rubtsov %T Topological indices of spencer complexes associated with geometric structures %J Matematičeskie zametki %D 1989 %P 59-68 %V 45 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1989_45_4_a7/ %G ru %F MZM_1989_45_4_a7