@article{article, title  = {{Analysis of output frequencies of nonlinear systems}},

 url = {{http://eprints.whiterose.ac.uk/2662/ }},

 year = {{2007}},

 month = {{7}},

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

 doi = {{10.1109/TSP.2007.894387}},

 volume = {{55}},

 journal = {{IEEE T SIGNAL PROCES}},

 issue = {{7}},

 pages = {{3239-3246}},

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