TY  - JOUR
AU  - S. E. Pastukhova
TI  - On the continuation of microlocal smoothness of solutions of boundary value problems for a second-order hyperbolic equation
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 692
EP  - 699
VL  - 26
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_4_a17/
LA  - ru
ID  - DE_1990_26_4_a17
ER  -