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
"Billigheimer, Calude Elias",Regular boundary problems for a five-term recurrence relation,,"[McMaster University, Department of Mathematics]",1970,McMaster mathematical report,,,,https://cir.nii.ac.jp/crid/1130282272999953920