TY  - JOUR
AU  - B. L. Feigin
AU  - D. B. Fuchs
TI  - Invariant differential operators on the line
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1979
SP  - 91
EP  - 92
VL  - 13
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a23/
LA  - ru
ID  - FAA_1979_13_4_a23
ER  -