@article{10_21136_CPMF_1897_109192,
     author = {Sommer, Jan},
     title = {Ze \v{s}koln{\'\i} praxe},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {57--60},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1897},
     doi = {10.21136/CPMF.1897.109192},
     language = {cz},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CPMF.1897.109192/}
}