@article{10_21136_CPMF_1922_109202,
     author = {Ma\v{s}ek, Vladim{\'\i}r},
     title = {O dvojrohu},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {23--28},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {1922},
     doi = {10.21136/CPMF.1922.109202},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1922.109202/}
}