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
"Sigstam, Inger",On formal spaces and their effective presentations,,"Uppsala University, Dept. of Mathematics",1990,U.U.D.M. report,,,,https://cir.nii.ac.jp/crid/1130282273148363136