Akbarzade, M.; Langari, J. Determination of natural frequencies by coupled method of homotopy perturbation and variational method for strongly nonlinear oscillators. (English) Zbl 1314.34076 J. Math. Phys. 52, No. 2, 023518, 10 p. (2011). MSC: 34C15 34D10 70K30 PDFBibTeX XMLCite \textit{M. Akbarzade} and \textit{J. Langari}, J. Math. Phys. 52, No. 2, 023518, 10 p. (2011; Zbl 1314.34076) Full Text: DOI
Yıldırım, Ahmet Homotopy perturbation method to obtain exact special solutions with solitary patterns for Boussinesq-like \(B(m,n)\) equations with fully nonlinear dispersion. (English) Zbl 1202.76032 J. Math. Phys. 50, No. 2, 023510, 10 pp. (2009). MSC: 76B15 65M99 76M25 PDFBibTeX XMLCite \textit{A. Yıldırım}, J. Math. Phys. 50, No. 2, 023510, 10 pp. (2009; Zbl 1202.76032) Full Text: DOI