TY  - JOUR
AU  - E. V. Sevost'yanova
TI  - On~properties of a perturbed elliptic operator with periodic coefficients
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1983
SP  - 217
EP  - 218
VL  - 38
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1983_38_1_a27/
LA  - en
ID  - RM_1983_38_1_a27
ER  -