TY  - JOUR
AU  - A. G. Baskakov
TI  - On correct linear differential operators
JO  - Sbornik. Mathematics
PY  - 1999
SP  - 323
EP  - 348
VL  - 190
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1999_190_3_a0/
LA  - en
ID  - SM_1999_190_3_a0
ER  -