TY  - JOUR
AU  - A. A. Dezin
TI  - On problems for linear differential operations
JO  - Sbornik. Mathematics
PY  - 1987
SP  - 411
EP  - 419
VL  - 57
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1987_57_2_a5/
LA  - en
ID  - SM_1987_57_2_a5
ER  -