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)
P. Gritzmann and B. Mohar and J. Pach and R. Pollack,E3341,The American Mathematical Monthly,0002-9890,JSTOR,1991-02,98,2,165,https://cir.nii.ac.jp/crid/1362825894222952832,https://doi.org/10.2307/2323956