@article{10_21136_CPMF_1881_120953,
     author = {Seydler, August},
     title = {O zem\v{e}t\v{r}esen{\'\i}. {[I.]}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {67--79},
     year = {1881},
     volume = {10},
     number = {2},
     doi = {10.21136/CPMF.1881.120953},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1881.120953/}
}