@article{10_21136_CPMF_1938_120798,
     author = {Nov\'ak, Jan},
     title = {Aritmetika v prim\v{e} a sekund\v{e}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {254--D257},
     year = {1938},
     volume = {67},
     number = {Suppl.},
     doi = {10.21136/CPMF.1938.120798},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1938.120798/}
}