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
"Kawada, Takayuki",On the non-differentiability of Gaussian processes,,"Institute of Economic Research, Kobe University of Commerce",1971,Working paper,,,,https://cir.nii.ac.jp/crid/1130282272494214656