Nonlinear Systems , Khalil, Hassan K. - Acceptable

Nonlinear Vibrations in Mechanical and Electrical Systems — J.J. Stoker

Nonlinear Control Systems II - Hardcover, by Isidori Alberto - Good

Weakly Connected Nonlinear Systems Boundedness and Stability of M

Martynyuk - Weakly Connected Nonlinear Systems Boundedness and Stabil - X555z

Nonlinear Oscillations, Dynamical Systems, and Bifurcations of Vector Fields HC

Sinusoidal Analysis And Modeling Of Weakly Nonlinear Circuits Hardcover

Advanced Nonlinear Strategies for Vibration Mitigation and Sys. ID., Vakakis Ed.