TY  - JOUR
AU  - V. A. Chulaevskii
TI  - On~perturbations of a~Schr\"odinger operator with periodic potential
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1981
SP  - 143
EP  - 144
VL  - 36
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1981_36_5_a7/
LA  - en
ID  - RM_1981_36_5_a7
ER  -