@techreport{oai:tsukuba.repo.nii.ac.jp:00031440, author = {TANAKA, Akihiro and 吉瀬, 章子 and YOSHISE, Akiko}, month = {May}, title = {An LP-based Algorithm to Test Copositivity}, year = {2014}, yomi = {ヨシセ, アキコ} }