@article{10_21136_CPMF_1881_109378,
     author = {H\"ubner, V.},
     title = {Co jest geometrick\'e m{\'\i}sto pat kolmic, veden\'ych z ohniska ellipsy, hyperboly a paraboly na te\v{c}ny},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {278--280},
     publisher = {mathdoc},
     volume = {10},
     number = {5},
     year = {1881},
     doi = {10.21136/CPMF.1881.109378},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1881.109378/}
}