@article{PMFA_1959__4_1_a6,
     author = {Jan\'al, Rudolf},
     title = {N\v{e}kter\'e vztahy a probl\'emy pou\v{z}it{\'\i} radioisotop\r{u}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {53--65},
     publisher = {mathdoc},
     volume = {04},
     number = {1},
     year = {1959},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1959__4_1_a6/}
}