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
"Gray, John W. (John Walker)",A theory of pseudogroups with applications to contact structures,,"Applied mathematics and statistics laboratory, Stanford University",1957,Technical report,,,,https://cir.nii.ac.jp/crid/1130282271884986880