@article{GDZPPN002099209,
title = {On the Lengths of Closed Geodesics on Convex Surfaces.},
journal = {Inventiones mathematicae},
volume = {74},
year = {1983},
pages = {593-598},
zbl = {0505.53020},
url = {http://dml.mathdoc.fr/item/GDZPPN002099209}
}
Ballmann, Werner. On the Lengths of Closed Geodesics on Convex Surfaces.. Inventiones mathematicae, Tome 74 (1983) pp. 593-598. http://gdmltest.u-ga.fr/item/GDZPPN002099209/