@techreport{oai:tsukuba.repo.nii.ac.jp:00000347,
 author = {Gotoh, Junya and 後藤, 順哉 and Konno, Hiroshi and 今野, 浩},
 month = {},
 title = {Minimal ellipsoid circumscribing a polytope defined by a system of linear inequalities},
 year = {2003}
}