@article{1183525947,
author = {Klingenberg, Wilhelm},
title = {On the number of closed geodesics on a riemannian manifold},
journal = {Bull. Amer. Math. Soc.},
volume = {70},
number = {6},
year = {1964},
pages = { 279-282},
language = {en},
url = {http://dml.mathdoc.fr/item/1183525947}
}
Klingenberg, Wilhelm. On the number of closed geodesics on a riemannian manifold. Bull. Amer. Math. Soc., Tome 70 (1964) no. 6, pp. 279-282. http://gdmltest.u-ga.fr/item/1183525947/