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) Hirokatsu Nari and Takahiro Numata and Kei-ichi Watanabe,Genus of numerical semigroups generated by three elements,Journal of Algebra,0021-8693,Elsevier BV,2012-05,358,,67-73,https://cir.nii.ac.jp/crid/1360011143868247808,https://doi.org/10.1016/j.jalgebra.2012.02.010