著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
T. Faria,"On the study of singularities for a planar system with two delays,",<em>Dyn. Contin. Discrete Implus. Syst.,,,2003,10,,357,https://cir.nii.ac.jp/crid/1372539180515064705,