@article{article, title = {{Approximation of the Duffing oscillator frequency response function using the FPK equation}}, url = {{}}, year = {{2011}}, month = {{1}}, author = {{Cross EJ and Worden K}}, doi = {{10.1016/j.jsv.2010.08.034}}, volume = {{330}}, journal = {{Journal of Sound and Vibration}}, issue = {{4}}, pages = {{743-756}}, note = {{Accessed on 2025/06/28}}}