著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Alsholm, P. and Schmidt, G. (Georg)",Spectral and scattered theory for Schrödinger operators,,"Århus Universitet, Matematisk Institut",1969,Various publications series,,,,https://cir.nii.ac.jp/crid/1130000796625031936