@article{10_21136_CPMF_1897_121618,
     author = {Nov\'ak, Vladim{\'\i}r},
     title = {O m\v{e}\v{r}en{\'\i} tvrdosti},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {175--181},
     publisher = {mathdoc},
     volume = {26},
     number = {2-3},
     year = {1897},
     doi = {10.21136/CPMF.1897.121618},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1897.121618/}
}