@article{10_21136_CPMF_1887_122137,
     author = {Sobotka, Jan},
     title = {Pozn\'amka ku zn\'am\'e jedn\'e v\v{e}t\v{e} geometrick\'e},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {231--235},
     publisher = {mathdoc},
     volume = {16},
     number = {5},
     year = {1887},
     doi = {10.21136/CPMF.1887.122137},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1887.122137/}
}