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
"Segethova, Jitka",Elimination procedures for sparse symmetric systems of a special structure,,"University of Maryland, Computer Science Center",1970,Technical report,,,,https://cir.nii.ac.jp/crid/1130000798244730496