@article{10_21136_CPM_1965_117542,
     author = {Petr\r{u}v, Vladim{\'\i}r},
     title = {Zu der {Existenz} der {L\"osung} der {Frenetschen} {Formeln} f\"ur eine {Weltlinie}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {66--78},
     publisher = {mathdoc},
     volume = {090},
     number = {1},
     year = {1965},
     doi = {10.21136/CPM.1965.117542},
     mrnumber = {0190864},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.117542/}
}