@article{oai:niigata-u.repo.nii.ac.jp:00002104,
 author = {Innami, Nobuhiro},
 issue = {1},
 journal = {Journal of the Mathematical Society of Japan, Journal of the Mathematical Society of Japan},
 month = {},
 pages = {85--91},
 title = {The axiom of n-planes and convexity in Riemannian manifolds},
 volume = {35},
 year = {1983}
}