@article{RMF_2021_96_4_a5,
     author = {Dvo\v{r}\'ak, Leo\v{s}},
     title = {Jak provokovat, kdy\v{z} dostanete \'ulohu o~p\'adu \v{z}elezn\'e a d\v{r}ev\v{e}n\'e koule {III}},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {34--45},
     year = {2021},
     volume = {96},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2021_96_4_a5/}
}