Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1981__22_1_a17, author = {Sou\v{c}ek, Ji\v{r}{\'\i}}, title = {On lengths of closed geodesics}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {212--213}, publisher = {mathdoc}, volume = {22}, number = {1}, year = {1981}, zbl = {0506.53022}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1981__22_1_a17/} }
Souček, Jiří. On lengths of closed geodesics. Commentationes Mathematicae Universitatis Carolinae, Tome 22 (1981) no. 1, pp. 212-213. http://geodesic.mathdoc.fr/item/CMUC_1981__22_1_a17/