TY  - JOUR
AU  - A. G. Baskakov
TI  - Spectral properties of the differential operator $\frac d{dt}-A_0$ with an unbounded operator $A_0$
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 2162
EP  - 2164
VL  - 27
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_12_a18/
LA  - ru
ID  - DE_1991_27_12_a18
ER  -