@article{oai:tsukuba.repo.nii.ac.jp:00015840,
author = {Itoh, Mitsuhiro},
issue = {2},
journal = {Tsukuba journal of mathematics},
month = {Dec},
note = {The aim of this paper is to descrbe some geometrical aspects of Riemannian manifolds with a pole. A point o of a Riemannian manifold is called a pole, if the exponential map exp is a diffeomorphism at 0. ...},
pages = {291--301},
title = {Some geometrical aspects of Riemannian monifolds with a pole},
volume = {4},
year = {1980}
}