TY  - JOUR
AU  - E. K. Kostousova
TI  - On the weak observability property for the one-dimensional wave equation with a point nonstationary observation operator
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 1318
EP  - 1325
VL  - 27
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_8_a4/
LA  - ru
ID  - DE_1991_27_8_a4
ER  -