%0 Journal Article %A B. L. Feigin %A D. B. Fuchs %T Invariant skew-symmetric differential operators on the line and Verma modules over the Virasoro algebra %J Funkcionalʹnyj analiz i ego priloženiâ %D 1982 %P 47-63 %V 16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1982_16_2_a5/ %G ru %F FAA_1982_16_2_a5