Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{RMF_2010__85_1_a9, author = {T\"opfer, Pavel}, title = {St\v{r}edoevropsk\'a olympi\'ada v informatice {CEOI} 2009}, journal = {Rozhledy matematicko-fyzik\'aln{\'\i}}, pages = {46--47}, publisher = {mathdoc}, volume = {85}, number = {1}, year = {2010}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/RMF_2010__85_1_a9/} }
Töpfer, Pavel. Středoevropská olympiáda v informatice CEOI 2009. Rozhledy matematicko-fyzikální, Tome 85 (2010) no. 1, pp. 46-47. http://geodesic.mathdoc.fr/item/RMF_2010__85_1_a9/