TY - JOUR AU - B. L. Feigin AU - D. B. Fuchs TI - Invariant skew-symmetric differential operators on the line and Verma modules over the Virasoro algebra JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1982 SP - 47 EP - 63 VL - 16 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1982_16_2_a5/ LA - ru ID - FAA_1982_16_2_a5 ER -