Cite
An elementary introduction to the homotopy perturbation method
MLA
He, Ji-Huan. “An Elementary Introduction to the Homotopy Perturbation Method.” Computers & Mathematics with Applications, vol. 57, no. 3, Feb. 2009, pp. 410–12. EBSCOhost, https://doi.org/10.1016/j.camwa.2008.06.003.
APA
He, J.-H. (2009). An elementary introduction to the homotopy perturbation method. Computers & Mathematics with Applications, 57(3), 410–412. https://doi.org/10.1016/j.camwa.2008.06.003
Chicago
He, Ji-Huan. 2009. “An Elementary Introduction to the Homotopy Perturbation Method.” Computers & Mathematics with Applications 57 (3): 410–12. doi:10.1016/j.camwa.2008.06.003.