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
Sieber J. L. and Previn W.L.,1. Additional separation axioms for syntopogenous spaces-Sieber & Previn . 2. Another definition for completeness in syntopogenous spaces-Siber & Previn . 3. Additional separation axioms for syntopogenous spaces II-Sieber,,"University of Oklahoma, Dept. of Mathematics",1964,Department of Mathematics Preprints,,,,https://cir.nii.ac.jp/crid/1130282271303950848