@article{10_21136_CPMF_1880_123993,
     author = {P\'anek, Augustin},
     title = {Pozn\'amka o \v{c}ty\v{r}\'uheln{\'\i}ku},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {43},
     year = {1880},
     volume = {9},
     number = {1},
     doi = {10.21136/CPMF.1880.123993},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1880.123993/}
}