@article{10_21136_CPMF_1928_121773,
     author = {\v{S}t\v{e}p\'anek, Josef},
     title = {O rovnic{\'\i}ch kulov\'eho zrcadla vypukl\'eho a \v{c}o\v{c}ek rozptyln\'ych},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {D17},
     publisher = {mathdoc},
     volume = {57},
     number = {2},
     year = {1928},
     doi = {10.21136/CPMF.1928.121773},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1928.121773/}
}