@article{UM_2017__25_5_a4,
     author = {Pol\'ak, Josef},
     title = {Goniometrick\'e \v{r}e\v{s}en{\'\i} kubick\'e rovnice},
     journal = {U\v{c}itel matematiky},
     pages = {287--297},
     publisher = {mathdoc},
     volume = {25},
     number = {5},
     year = {2017},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2017__25_5_a4/}
}