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 "Nikolʹskiĭ, Sergeĭ Mikhaĭlovich and Hedstrom, G. W.",Theory and applications of differentiable functions of several variables,,American Mathematical Society,1967,Proceedings of the Steklov Institute of Mathematics,,"0821830171,0821830317",,https://cir.nii.ac.jp/crid/1130282273289002624