@article{article, title  = {{Output frequencies of nonlinear systems}},

 url = {{}},

 year = {{1997}},

 month = {{7}},

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

 volume = {{67}},

 journal = {{INT J CONTROL}},

 issue = {{5}},

 pages = {{713-730}},

 note = {{Accessed on 2024/09/20}}}