@article{UM_2022_30_4_a4,
     author = {Hofmanov\'a, Pavla and Kr\'atk\'a, Magdalena},
     title = {\'Ust\v{r}edn{\'\i} kolo 71. ro\v{c}n{\'\i}ku matematick\'e olympi\'ady na gymn\'aziu v {Teplic{\'\i}ch}},
     journal = {U\v{c}itel matematiky},
     pages = {252--255},
     year = {2022},
     volume = {30},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2022_30_4_a4/}
}