%0 Journal Article %A B. I. Rozenfel'd %T One-dimensional cohomologies of a Lie algebra of contact vector fields %J Funkcionalʹnyj analiz i ego priloženiâ %D 1970 %P 91-92 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1970_4_2_a15/ %G ru %F FAA_1970_4_2_a15