TY  - JOUR
AU  - L. V. Berlyand
AU  - S. Yu. Dobrokhotov
TI  - ``Operator separation of variables'' in problems of short-wave
JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 80
EP  - 84
VL  - 296
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_296_1_a17/
LA  - ru
ID  - DAN_1987_296_1_a17
ER  -