TY  - JOUR
AU  - R. I. Aksitov
TI  - Permutations of Tori in Integrable Hamiltonian Systems and Spectral Series of Pseudodifferential Operators
JO  - Matematičeskie zametki
PY  - 2007
SP  - 174
EP  - 183
VL  - 81
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2007_81_2_a1/
LA  - ru
ID  - MZM_2007_81_2_a1
ER  -