著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
Shozo Sakai,Cardinal functions on Pixley-Roy hyperspaces,Proceedings of the American Mathematical Society,0002-9939,American Mathematical Society (AMS),1983,89,2,336-340,https://cir.nii.ac.jp/crid/1361699994332463104,https://doi.org/10.1090/s0002-9939-1983-0712647-3