@article{10_21136_CPMF_1911_123095,
     author = {Posejpal, V\'aclav},
     title = {Drobnosti ze \v{s}koln{\'\i} praxe},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {108--111},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1911},
     doi = {10.21136/CPMF.1911.123095},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1911.123095/}
}