@article{10_21136_CPMF_1927_109044,
     author = {Kroupa, J.},
     title = {Pozn\'amky k deskriptivn{\'\i} geometrii},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {41--D43},
     year = {1927},
     volume = {56},
     number = {3},
     doi = {10.21136/CPMF.1927.109044},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1927.109044/}
}