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 "Powers, Victoria","Certificates of positivity for real polynomials : theory, practice, and applications",,Springer,2021,Developments in mathematics,,9783030855468,,https://cir.nii.ac.jp/crid/1130291145254971149