Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Bers, Lipman and Bochner, Salomon and F. John and Bergman, S.",Contributions to the theory of partial differential equations,,Princeton Univ. Press,1954,Annals of mathematics studies,,0691095841,,https://cir.nii.ac.jp/crid/1130282268965075456