Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1959__4_5_a1, author = {Landis, J. M.}, title = {O d\'elce k\v{r}ivky}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {537--546}, publisher = {mathdoc}, volume = {04}, number = {5}, year = {1959}, zbl = {0089.03404}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_1959__4_5_a1/} }
Landis, J. M. O délce křivky. Pokroky matematiky, fyziky a astronomie, Tome 04 (1959) no. 5, pp. 537-546. http://geodesic.mathdoc.fr/item/PMFA_1959__4_5_a1/