@article{oai:tsukuba.repo.nii.ac.jp:00017307, author = {Cho, Jong Taek and Ki, U-Hang}, issue = {1}, journal = {Tsukuba Journal of Mathematics}, month = {Jun}, pages = {145--156}, title = {Jacobi operators on real hypersurfaces of a complex projective space}, volume = {22}, year = {1998} }