TY - RPRT TI - Approximation of the Frequency-Amplitude Curve Using the Homotopy Analysis Method AU - Xiong, Min AU - Xu, Xin AU - Sun, Kai AU - Wang, Bin (ORCID:0000000341994403) PY - 2021 DO - 10.1109/pesgm46819.2021.9638009 UR - https://www.osti.gov/biblio/1847862 ID - 1847862 ER -