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)
Frank Harary,A Characterization of Block-Graphs,Canadian Mathematical Bulletin,0008-4395,Canadian Mathematical Society,1963-01,6,1,1-6,https://cir.nii.ac.jp/crid/1360574095713040640,https://doi.org/10.4153/cmb-1963-001-x