TY - DATA AU - Dmitry Treschev, Oleg Zubelevich TI - Introduction to the Perturbation Theory of Hamiltonian Systems SN - 9783642030284 PY - 2010/// PB - Springer Berlin Heidelberg KW - Mathematics and Statistics UR - https://doi.org/10.1007/978-3-642-03028-4 ER -