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) Yoichi Enatsu and Yukihiko Nakata,Stability and bifurcation analysis of epidemic models with saturated incidence rates: An application to a nonmonotone incidence rate,Mathematical Biosciences and Engineering,1551-0018,American Institute of Mathematical Sciences (AIMS),2014,11,4,785-805,https://cir.nii.ac.jp/crid/1360004239748464768,https://doi.org/10.3934/mbe.2014.11.785