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) LIN Y. F.,Tychonoff's theorem for the space of multifunctions,Amer. Math. Monthly,,,1967,74,,399-400,https://cir.nii.ac.jp/crid/1571980075576095232,https://doi.org/10.2307/2314568