TY  - JOUR
AU  - V. V. Grushin
TI  - Multiparameter Perturbation Theory of Fredholm Operators Applied to Bloch Functions
JO  - Matematičeskie zametki
PY  - 2009
SP  - 819
EP  - 828
VL  - 86
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2009_86_6_a1/
LA  - ru
ID  - MZM_2009_86_6_a1
ER  -