@article{PMFA_1999_44_4_a6,
     author = {T\"opfer, Pavel},
     title = {St\v{r}edoevropsk\'a olympi\'ada v~informatice},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {334--337},
     year = {1999},
     volume = {44},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1999_44_4_a6/}
}