@article{10_21136_CPMF_1920_121364,
     author = {Zahradn{\'\i}\v{c}ek, Josef},
     title = {O n\v{e}kter\'ych k\v{r}ivk\'ach odvozen\'ych z ku\v{z}elose\v{c}ek. {[I.]}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {174--181},
     publisher = {mathdoc},
     volume = {49},
     number = {2-3},
     year = {1920},
     doi = {10.21136/CPMF.1920.121364},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1920.121364/}
}