@article{oai:ynu.repo.nii.ac.jp:00006764, author = {Enomoto, Kazuyuki}, issue = {1&2}, journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学}, month = {}, note = {application/pdf}, pages = {53--58}, title = {APPROXIMATION OF LENGTH OF CURVES IN RIEMANNIAN MANIFOLDS BY GEODESIC POLYGONS}, volume = {34}, year = {1986} }