@article{10_21136_CPMF_1907_121737,
     author = {Hostinsk\'y, Bohuslav},
     title = {O projektivn{\'\i} definici \'uhlu dvou rovin},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {474--479},
     year = {1907},
     volume = {36},
     number = {5},
     doi = {10.21136/CPMF.1907.121737},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1907.121737/}
}