@article{10_21136_CPMF_1898_121864,
     author = {L\'aska, V\'aclav},
     title = {N\v{e}kter\'e v\v{e}ty trigonometrick\'e},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {217--220},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1898},
     doi = {10.21136/CPMF.1898.121864},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1898.121864/}
}