TY  - JOUR
AU  - Yu. P. Chuburin
TI  - On small perturbations of the Schrödinger equation with periodic potential
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1997
SP  - 443
EP  - 453
VL  - 110
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/TMF_1997_110_3_a7/
LA  - ru
ID  - TMF_1997_110_3_a7
ER  -