TY  - JOUR
AU  - Yu. V. Bezzubov
TI  - Observability in problems of one class
JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 822
EP  - 825
VL  - 231
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_231_4_a12/
LA  - ru
ID  - DAN_1976_231_4_a12
ER  -