@article{oai:ynu.repo.nii.ac.jp:00006845, author = {Kimura, Makoto and Maeda, Sadahiro}, issue = {1}, journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学}, month = {}, note = {application/pdf}, pages = {35--43}, title = {CHARACTERIZATIONS OF GEODESIC HYPERSPHERES IN A COMPLEX PROJECTIVE SPACE IN TERMS OF RICCI TENSORS}, volume = {40}, year = {1992} }