@article{RMF_2012_87_1_a8,
     author = {T\"opfer, Pavel},
     title = {Mezin\'arodn{\'\i} olympi\'ady v informatice v roce 2011},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {45--48},
     year = {2012},
     volume = {87},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2012_87_1_a8/}
}