@article{UM_2006_14_4_a1,
     author = {Kup\v{c}\'akov\'a, Marie},
     title = {D\v{e}tsk\'a kresba a st\v{r}edov\'e prom{\'\i}t\'an{\'\i} (4)},
     journal = {U\v{c}itel matematiky},
     pages = {201--210},
     year = {2006},
     volume = {14},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2006_14_4_a1/}
}