%0 Journal Article %A M. M. Vinogradov %T On de Rham and Spencer algebraic cohomology of smooth manifolds %J Doklady Akademii Nauk %D 1978 %P 989-992 %V 242 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_242_5_a1/ %G ru %F DAN_1978_242_5_a1