@article{article, title  = {{A bound for the magnitude characteristics of nonlinear output frequency response functions .1. Analysis and computation}},

 url = {{}},

 year = {{2007}},

 month = {{2}},

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

 volume = {{65}},

 journal = {{INT J CONTROL}},

 issue = {{2}},

 pages = {{309-328}},

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