TY  - BOOK
AU  - Krichever, I.M.
AU  - S.P.Novikov
TI  - PERTURBATION THEORY IN PERIODIC PROBLEMS FOR TWO-DIMENSIONAL INTEGRABLE SYSTEMS
SN  - 3718652188
U1  - 530.15 
PY  - 0000///
CY  - 
PB  - 
KW  - Perturbation (Mathematics)
KW  - Mathematical Physics
ER  -