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
"Whitmore, R.M.",A theorem on the interchange of order of differentiation for functions of two variables,,"University of Oklahoma, Dept. of Mathematics",1964,Department of Mathematics Preprints,,,,https://cir.nii.ac.jp/crid/1130000797520308480