Oscillations in Nonlinear Systems, , Dover Publications, Jack K. Hale,Differential Equations/Ordinary,MATHEMATICS, periodic solutions;manifolds;nonfiction;mathematical studies;books on math;mathematics;theory of nonlinear oscillations;nonautonomous and autonomous differential equations;methods of averaging and integral manifolds;matrices;linear systems of differential equations;solutions of nonlinear systems;theory for periodic solutions,, Dover Books on Mathematics, United States, en-UShttps://www.doverpublications.comperiodic solutions;manifolds;nonfiction;mathematical studies;books on math;mathematics;theory of nonlinear oscillations;nonautonomous and autonomous differential equations;methods of averaging and integral manifolds;matrices;linear systems of differential equations;solutions of nonlinear systems;theory for periodic solutions, [BLURB],[CITY],New York,books, ebooks, biblet, Book2look