@article{UM_2014__22_1_a0,
     author = {Ha\v{s}ek, Roman},
     title = {GeoGebra jako n\'astroj objevov\'an{\'\i} a dokazov\'an{\'\i}},
     journal = {U\v{c}itel matematiky},
     pages = {1--14},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2014},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2014__22_1_a0/}
}