@article{10_21136_CPM_1965_108254,
     author = {Petr\r{u}v, Vladim{\'\i}r},
     title = {Approximative {L\"osung} der {Formeln} von {Frenet} im {Falle} {\textquoteleft}kleiner{\textquoteright} {Quotienten} $Q/P$, $R/P$},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {160--180},
     publisher = {mathdoc},
     volume = {090},
     number = {2},
     year = {1965},
     doi = {10.21136/CPM.1965.108254},
     mrnumber = {0195014},
     zbl = {0142.23801},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.108254/}
}