@article{1259943867,
author = {NAKAGAWA, Hisao},
title = {Riemannian manifolds with many geodesic loops},
journal = {J. Math. Soc. Japan},
volume = {20},
number = {4},
year = {1968},
pages = { 648-654},
language = {en},
url = {http://dml.mathdoc.fr/item/1259943867}
}
NAKAGAWA, Hisao. Riemannian manifolds with many geodesic loops. J. Math. Soc. Japan, Tome 20 (1968) no. 4, pp. 648-654. http://gdmltest.u-ga.fr/item/1259943867/