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 "Chalkley, Roger",Basic global relative invariants for homogeneous linear differential equations,,American Mathematical Society,2002,Memoirs of the American Mathematical Society,,0821827812,,https://cir.nii.ac.jp/crid/1130282269871149184