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)
El Guennouni,A block version of BICGSTAB for linear systems with multiple right-hand sides,Elec. Trans. Numer. Anal.,,,2003,16,,129,https://cir.nii.ac.jp/crid/1370569869094368650,