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 "Moreno, Carlos J. and Wagstaff, Samuel S.",Sums of squares of integers,,Chapman & Hall/CRC,2006,Discrete mathematics and its applications,,"9781584884569,9780367391614",,https://cir.nii.ac.jp/crid/1130000797166363136