著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Shishkin, G. I and Shishkina, Lidia P.",Difference methods for singular perturbation problems,,Chapman & Hall/CRC,2009,Chapman & Hall/CRC monographs and surveys in pure and applied mathematics,,9781584884590,,https://cir.nii.ac.jp/crid/1130000794575340544