Nonautonomous Linear Hamiltonian Systems: Oscillation, Spectral Theory and Control By Russell Johnson, Rafael Obaya, Sylvia Novo 2016 | 520 Pages | ISBN: 3319290231 | PDF | 6 MB
Billiards: A Genetic Introduction to the Dynamics of Systems with Impacts (Translations of Mathematical Monographs, Book 89) by Valelrii V. Kozlov and Dmitrii V. Treshchev English | 1991 | ISBN: 0821845500 | ISBN-13: 9780821845509 | 171 pages | DJVU | 1,7 MB
Nonuniform Hyperbolicity: Dynamics of Systems with Nonzero Lyapunov Exponents By Luis Barreira, Yakov Pesin 2007 | 528 Pages | ISBN: 0521832586 | PDF | 19 MB