@article{10_21136_CPMF_1872_122704,
     author = {P\'anek, A.},
     title = {O z\'akladn{\'\i}ch vzorc{\'\i}ch goniometrick\'ych},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {202--203},
     year = {1872},
     volume = {1},
     number = {4},
     doi = {10.21136/CPMF.1872.122704},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1872.122704/}
}