@article{PMFA_1972__17_4_a7,
     author = {Brdi\v{c}ka, Miroslav},
     title = {Brachystochrona \v{c}i brachistochrona?},
     journal = {Pokroky matematiky, fyziky a astronomie},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1972},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1972__17_4_a7/}
}