@article{10_21136_CPMF_1911_123102,
     author = {Zahradn{\'\i}k, Karel},
     title = {O pr\r{u}sec{\'\i}ch ku\v{z}elose\v{c}ky s fok\'alou},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {1--9},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1911},
     doi = {10.21136/CPMF.1911.123102},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1911.123102/}
}