Adomian decomposition method for nonlinear Sturm-Liouville problems. Somali, Sennur, Gokmen, Guzin (2007) Surveys in Mathematics and its Applications
Comparison between the variational iteration method and the homotopy perturbation method for the Sturm-Liouville differential equation. Neamaty, A., Darzi, R. (2010) Boundary Value Problems [electronic only]
Eigenvalue approximations for linear periodic differential equations with a singularity. Harris, B.J., Marzano, F. (1999) Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Matrix elements for sum of power-law potentials in quantum mechanic using generalized hypergeometric functions. Katatbeh, Qutaibeh D., Abu-Amra, Ma'zoozeh E. (2008) Electronic Journal of Differential Equations (EJDE) [electronic only]
Numerical computation of the eigenvalues for the spheroidal wave equation with accurate error estimation by matrix method. Miyazaki, Yoshinori, Asai, Nobuyoshi, Cai, Dongsheng, Ikebe, Yasuhiko (2006) ETNA. Electronic Transactions on Numerical Analysis [electronic only]
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Spectral bisection algorithm for solving Schrödinger equation using upper and lower solutions. Katatbeh, Qutaibeh Deeb (2007) Electronic Journal of Differential Equations (EJDE) [electronic only]