applications to physics, biology chemistry and engineering . Addison Wesley. ISBN   0-201-54344-3 .   Teschl, Gerald (2012). Ordinary Differential Equations and Dynamical Systems . Providence : American Mathematical Society . ISBN   978-0-8218-8328-0 . http://www.mat.univie.ac.at/~gerald/ftp/book-ode/ .   Popularizations: Florin Diacu and Philip Holmes (1996). Celestial Encounters . Princeton. ISBN