@article{10_21136_CPMF_1938_120786,
     author = {P{\'\i}rko, Zden\v{e}k},
     title = {P\v{r}{\'\i}klad pro brannou v\'ychovu v trigonometrii na st\v{r}edn{\'\i} \v{s}kole},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {257--D268},
     year = {1938},
     volume = {67},
     number = {Suppl.},
     doi = {10.21136/CPMF.1938.120786},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1938.120786/}
}