@article{10_21136_CPMF_1926_121068,
     author = {Ry\v{s}av\'y, Vladim{\'\i}r},
     title = {Metodick\'e pozn\'amky z trigonometrie},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {120--123},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {1926},
     doi = {10.21136/CPMF.1926.121068},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1926.121068/}
}