OOn the method of averagingOn the method of averagingde Jack K. Hale · Publicada por primera vez en 1960Ediciones (1)On the method of averaging (1960)RIASMás obras de Jack K. HaleSStudies in ordinary differential equationsStudies in ordinary differential equationsNonlinear differential equationsOOscillations in nonlinear systemsOscillations in nonlinear systems