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 "Wirsching, Günther J.",The dynamical system generated by the 3n + 1 function,,Springer,1998,Lecture notes in mathematics,,3540639705,,https://cir.nii.ac.jp/crid/1130282268798337152