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 "Drabek, P. (Pavel) and Holubová, Gabriela",Elements of partial differential equations,,Walter de Gruyter,2007,De Gruyter textbook,,9783110191240,,https://cir.nii.ac.jp/crid/1130000793820526464