TY  - JOUR
AU  - T. V. Savina
TI  - On the reflection law for higher-order elliptic equations
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 563
EP  - 565
VL  - 332
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_332_5_a4/
LA  - ru
ID  - DAN_1993_332_5_a4
ER  -