TY  - JOUR
AU  - R. F. Bikbaev
AU  - S. B. Kuksin
TI  - A~periodic boundary value problem for the sine-Gordon equation, its small Hamiltonian perturbations, and KAM-deformations of finite-gap tori
JO  - Algebra i analiz
PY  - 1992
SP  - 42
EP  - 78
VL  - 4
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1992_4_3_a1/
LA  - ru
ID  - AA_1992_4_3_a1
ER  -