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
"Mattheij, R. M. M.",Estimating the discretization error in three point difference schemes for second order linear singularly perturbed BVP,,"Mathematisch Instituut, Katholieke Universiteit",1981,Report,,,,https://cir.nii.ac.jp/crid/1130000794588723712