@article{10_21136_CPMF_1921_122283,
     author = {Petr, Karel},
     title = {O separaci ko\v{r}en\r{u} rovnice algebraick\'e dle re\'aln\'ych \v{c}\'ast{\'\i} ko\v{r}en\r{u} a o d\r{u}kaze fundament\'aln{\'\i} v\v{e}ty algebry. {[I.]}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {23--33},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {1921},
     doi = {10.21136/CPMF.1921.122283},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1921.122283/}
}