TY  - JOUR
AU  - I. F. Sivergina
TI  - Invertibility and observability of evolution systems
JO  - Doklady Akademii Nauk
PY  - 1996
SP  - 304
EP  - 308
VL  - 351
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1996_351_3_a4/
LA  - ru
ID  - DAN_1996_351_3_a4
ER  -