@article{10_21136_CPMF_1884_123164,
     author = {Je\v{z}ek, Otakar},
     title = {O funkc{\'\i}ch goniometrick\'ych},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {87--101},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1884},
     doi = {10.21136/CPMF.1884.123164},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1884.123164/}
}