@article{UM_2003__11_1_a1,
     author = {\v{S}im\v{s}a, Jarom{\'\i}r},
     title = {Jednotn\'e d\r{u}kazy {\quotedblbase}kvadratick\'ych‟ v\v{e}t o troj\'uheln{\'\i}ku},
     journal = {U\v{c}itel matematiky},
     pages = {11--15},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2003},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2003__11_1_a1/}
}