Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ISHIKAWA Hideaki,Numerical Methods for the Eigenvalue Determination of Second-Order Ordinary Differential Equations and Their Applications to Quantum Mechanics,"Journal of Computer Chemistry, Japan",13471767,"Society of Computer Chemistry, Japan",2007,6,3,199-216,https://cir.nii.ac.jp/crid/1390282680154700928,https://doi.org/10.2477/jccj.6.199