@article{PMFA_1973_18_3_a2,
     author = {Hor\'ak, Zden\v{e}k},
     title = {Sto let {Machova} principu},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {123--131},
     year = {1973},
     volume = {18},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1973_18_3_a2/}
}