@article{oai:ynu.repo.nii.ac.jp:00006837, author = {Cheng, Qing-Ming}, issue = {2}, journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学}, month = {}, note = {application/pdf}, pages = {125--139}, title = {COMPLETE HYPERSURFACES IN A 4-DIMENSIONAL UNIT SPHERE WITH CONSTANT MEAN CURVATURE}, volume = {39}, year = {1992} }