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On the Class Numbers of Real Quadratic Fields of Richaud-Degert Type 片山, 真一 1028 カタヤマ, シンイチ 60466/profile-ja.html Katayama, Shin-ichi 70194777 The purpose of this paper is to give an explicit proof of the infinity of real quadratic fields of Richaud-Degert type and construct the infinite sequences of real quadratic fields with large class numbers. departmental bulletin paper 1998-02-02 VoR application/pdf Journal of mathematics, Tokushima University 31 1 6 00754293 AA00701816 https://tokushima-u.repo.nii.ac.jp/record/2000470/files/KJ00004258494.pdf https://tokushima-u.repo.nii.ac.jp/records/2000470 eng