@article{10_21136_CPMF_1903_124070,
     author = {S\'ykora, Anton{\'\i}n},
     title = {Jak vyj\'ad\v{r}{\'\i}me plochu troj\'uheln{\'\i}ka t\v{e}\v{z}nicemi jeho},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {86--88},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1903},
     doi = {10.21136/CPMF.1903.124070},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1903.124070/}
}