@article{oai:tsukuba.repo.nii.ac.jp:00017338,
 author = {Perez, Juan de Dios},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {113--116},
 title = {A characterization of geodesic hyperspheres of quaternionic projective space},
 volume = {21},
 year = {1997}
}