@article{article, title  = {{Output frequency characteristics of nonlinear systems}},

 url = {{}},

 year = {{2007}},

 month = {{2}},

 author = {{Lang ZQ and Billings SA}},

 volume = {{64}},

 journal = {{INT J CONTROL}},

 issue = {{6}},

 pages = {{1049-1067}},

 note = {{Accessed on 2025/11/29}}}