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 "Katok, A. B. and Niţicǎ, Viorel",Introduction and cocycle problem,,Cambridge University Press,2011,Cambridge tracts in mathematics,,9780521879095,,https://cir.nii.ac.jp/crid/1130000796795001216