Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Izumiya Shyuichi and Nagai Takayuki and Saji Kentaro,Great circular surfaces in the three-sphere,Hokkaido University Preprint Series in Mathematics,,"Department of Mathematics, Hokkaido University",2010-05-10,961,,1-22,https://cir.nii.ac.jp/crid/1390290699772160384,https://doi.org/10.14943/84108