@article{PMFA_2013_58_3_a3,
     author = {Sandler, Karel},
     title = {Planetn{\'\i} hodiny pra\v{z}sk\'eho orloje a trisekce \'uhlu},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {199--200},
     year = {2013},
     volume = {58},
     number = {3},
     zbl = {1289.01008},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2013_58_3_a3/}
}