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
"Schaeffer, A. C. and Spencer, Donald Clayton and Grad, Arthur",Coefficient regions for schlicht functions,,American Mathematical Society,1950,Colloquium publications,,,,https://cir.nii.ac.jp/crid/1130282271918066944