Juan J. Nieto, Bashir Ahmad. Approximation of solutions for an initial and terminal value problem for the forced Duffing equation with non-viscous damping. Applied Mathematics and Computation, 216(7):2129-2136, 2010. [doi]
@article{NietoA10, title = {Approximation of solutions for an initial and terminal value problem for the forced Duffing equation with non-viscous damping}, author = {Juan J. Nieto and Bashir Ahmad}, year = {2010}, doi = {10.1016/j.amc.2010.03.046}, url = {http://dx.doi.org/10.1016/j.amc.2010.03.046}, researchr = {https://researchr.org/publication/NietoA10}, cites = {0}, citedby = {0}, journal = {Applied Mathematics and Computation}, volume = {216}, number = {7}, pages = {2129-2136}, }