@article{PMFA_1957__2_3_a15,
     author = {Vr\'ana, Ji\v{r}{\'\i}},
     title = {Albert {Einstein}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {320--333},
     publisher = {mathdoc},
     volume = {02},
     number = {3},
     year = {1957},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1957__2_3_a15/}
}