Vol. 513. Llibre, Jaume; Nunes, Ana
Separatrix surfaces and invariant manifolds of a class of integrable Hamiltonian systems and their perturbations
QA614.83 L55
Vol. 513. Llibre, Jaume; Nunes, Ana
Separatrix surfaces and invariant manifolds of a class of integrable Hamiltonian systems and their perturbations
QA614.83 L55