TY  - JOUR
AU  - Wilhelm Klingenberg
TI  - On the Existence of Closed Geodesics on Spherical Manifolds.
JO  - Mathematische Zeitschrift
PY  - 1981
SP  - 319
EP  - 326
VL  - 176
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1981__176_183646/
ID  - MZ_1981__176_183646
ER  -