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 "Trèves, François","Linear partial differential equations with constant coefficients : existence, approximation, and regularity of solutions",,Gordon and Breach,1966,Mathematics and its applications,,,,https://cir.nii.ac.jp/crid/1130000796644922496