Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{RMF_2007__82_4_a9, author = {T\"opfer, Pavel}, title = {Mezin\'arodn{\'\i} olympi\'ada v informatice {IOI} 2007}, journal = {Rozhledy matematicko-fyzik\'aln{\'\i}}, pages = {49--51}, publisher = {mathdoc}, volume = {82}, number = {4}, year = {2007}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/RMF_2007__82_4_a9/} }
Töpfer, Pavel. Mezinárodní olympiáda v informatice IOI 2007. Rozhledy matematicko-fyzikální, Tome 82 (2007) no. 4, pp. 49-51. http://geodesic.mathdoc.fr/item/RMF_2007__82_4_a9/