@article{10_21136_CPMF_1890_122671,
     author = {Studni\v{c}ka, Franti\v{s}ek Josef},
     title = {O rychl\'em odvozen{\'\i} n\v{e}kter\'ych \v{r}ad trigonometrick\'ych. {[I.]}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {113--116},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {1890},
     doi = {10.21136/CPMF.1890.122671},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1890.122671/}
}