TY  - JOUR
AU  - V. D. Koshmanenko
TI  - Uniqueness of a singularly perturbed operator
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 786
EP  - 789
VL  - 300
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_300_4_a2/
LA  - ru
ID  - DAN_1988_300_4_a2
ER  -