@article{10_21136_CPM_1976_117928,
     author = {H\'ajek, Petr},
     title = {K nedo\v{z}it\'ym \v{s}edes\'atin\'am {Ladislava} {Riegra}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {417--418},
     publisher = {mathdoc},
     volume = {101},
     number = {4},
     year = {1976},
     doi = {10.21136/CPM.1976.117928},
     mrnumber = {0434728},
     zbl = {0341.01017},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1976.117928/}
}