@article{oai:ynu.repo.nii.ac.jp:00006851,
 author = {Deshmukh, Sharief and Al-Gwaiz, M. A.},
 issue = {2},
 journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学},
 month = {},
 note = {application/pdf, In this paper a characterization of small spheres in a sphere is obtained in terms of a pinching relation on the Ricci curvature.},
 pages = {105--109},
 title = {A SUFFICIENT CONDITION FOR A COMPACT HYPERSURFACE IN A SPHERE TO BE A SPHERE},
 volume = {40},
 year = {1993}
}