TY  - JOUR
AU  - S. A. Nazarov
TI  - Justification of asymptotic expansions of the eigenvalues of nonselfadjoint singularly perturbed elliptic boundary value problems
JO  - Sbornik. Mathematics
PY  - 1987
SP  - 317
EP  - 349
VL  - 57
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1987_57_2_a0/
LA  - en
ID  - SM_1987_57_2_a0
ER  -