共 9 条
[8]
Subharmonic resonances of a mechanical oscillator with periodically time-varying, piecewise-nonlinear stiffness[J] . Qinglong Ma,A. Kahraman.Journal of Sound and Vibration . 2006 (3)
[9]
Global analysis of dynamical systems using posets and digraphs .2 Hsu CS. In J of Bifurcation and Chaos . 1995