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
"Barrett, Wayne W. (Wayne Walton) and Johnson, Charles R. and Loewy, Raphael",The real positive definite completion problem : cycle completability,,American Mathematical Society,1996,Memoirs of the American Mathematical Society,,0821804731,,https://cir.nii.ac.jp/crid/1130000795816508544