@article{oai:ipsj.ixsq.nii.ac.jp:00067247, author = {高橋, 大介 and Daisuke, TAKAHASHI}, issue = {12}, journal = {情報処理}, month = {Dec}, pages = {1228--1234}, title = {円周率世界記録更新-2兆5769億8037万桁への道}, volume = {50}, year = {2009} }