Author Title Journal ISSN Publisher Date Volume Number Page URL URL(DOI) SHINTANI Meiun Exact Solutions of Schrödinger Equation based on the Logarithmic Derivative Method : Theδ-type Potential as an Example Archives of Yamaguchi Prefectural University 18826393 Yamaguchi Prefectural University 2010-03-31 3 61-64 http://ci.nii.ac.jp/naid/110007523103/en/