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 "Colombo, Fabrizio and Gantner, Jonathan","Quaternionic closed operators, fractional powers and fractional diffusion processes",,Birkhäuser,2019,Operator theory : advances and applications,,9783030164119,,https://cir.nii.ac.jp/crid/1130015398815117614