@article{UM_2004_12_2_a1,
     author = {Ko\v{c}andrlov\'a, Milada},
     title = {O elipse},
     journal = {U\v{c}itel matematiky},
     pages = {74--79},
     year = {2004},
     volume = {12},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2004_12_2_a1/}
}