TY - BOOK AU - Treschev Dmitry AU - Zubelevich Oleg TI - Introduction to the perturbation theory of Hamiltonian systems SN - 978-3-642-03027-7 U1 - 515.392 PY - 2010/// CY - Berlin PB - Springer-Verlag KW - Hamiltonian systems KW - Perturbation(mathematics) ER -