@misc{10_21136_CPMF_1927_122729,
     title = {Dopis {V\'yboru} {Jednoty} \v{c}eskoslovensk\'ych matematik\r{u} a fysik\r{u} v {Praze}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {3--4},
     year = {1927},
     volume = {56},
     number = {2},
     doi = {10.21136/CPMF.1927.122729},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1927.122729/}
}