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
"Cusick, Thomas W. and Flahive, Mary E.",The Markoff and Lagrange spectra,,American Mathematical Society,1989,Mathematical surveys and monographs,,0821815318,,https://cir.nii.ac.jp/crid/1130000794341433600