A periodic boundary value problem for the Sine-Gordon equation, small Hamiltonian perturbations of it ,and KAM-stability of finite-gap tori

R. F. Bikbaev, Sergei Kuksin

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)436-468
Number of pages33
JournalSt. Petersburg Mathematical Journal
Volume4
Publication statusPublished - 1993

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