@article{10_21136_CPMF_1947_122789,
     author = {Urban, Alois},
     title = {Geometrick\'e m{\'\i}sto st\v{r}ed\r{u} podobn\'ych ku\v{z}elose\v{c}ek v s{\'\i}ti ku\v{z}elose\v{c}ek},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {D67},
     publisher = {mathdoc},
     volume = {72},
     number = {4},
     year = {1947},
     doi = {10.21136/CPMF.1947.122789},
     mrnumber = {0025742},
     zbl = {0037.38007},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1947.122789/}
}