@article{10_21136_CPMF_1873_109117,
     author = {Zenger, K. V.},
     title = {O \'u\v{c}inc{\'\i}ch vodi\v{c}\r{u} soum\v{e}rn\v{e} uspo\v{r}\'adan\'ych},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {195--198},
     publisher = {mathdoc},
     volume = {02},
     number = {3},
     year = {1873},
     doi = {10.21136/CPMF.1873.109117},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1873.109117/}
}