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
"Hromkovic̆, Juraj","Algorithmics for hard problems : introduction to combinatorial optimization, randomization, approximation, and heuristics","2nd ed, [corrected printing]",Springer,2004,Texts in theoretical computer science,,"9783540441342,9783642079092",,https://cir.nii.ac.jp/crid/1130282269429569280