@article{PMFA_1973_18_5_a1,
     author = {Vrba, Vladislav},
     title = {K dvoust\'emu v\'yro\v{c}{\'\i} narozen{\'\i} {Thomase} {Younge}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {247--256},
     year = {1973},
     volume = {18},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1973_18_5_a1/}
}