Huanmin Yao. Solution of the Duffing equation involving both integral and non-integral forcing terms. Computer Physics Communications, 180(9):1481-1488, 2009. [doi]
@article{Yao09-5, title = {Solution of the Duffing equation involving both integral and non-integral forcing terms}, author = {Huanmin Yao}, year = {2009}, doi = {10.1016/j.cpc.2009.03.014}, url = {http://dx.doi.org/10.1016/j.cpc.2009.03.014}, researchr = {https://researchr.org/publication/Yao09-5}, cites = {0}, citedby = {0}, journal = {Computer Physics Communications}, volume = {180}, number = {9}, pages = {1481-1488}, }