@article{PMFA_2018_63_1_a3,
     author = {Brandts, Jan and K\v{r}{\'\i}\v{z}ek, Michal},
     title = {Pozoruhodn\'e vlastnosti du\'aln{\'\i}ch a rovnost\v{e}nn\'ych \v{c}ty\v{r}st\v{e}n\r{u}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {41--50},
     year = {2018},
     volume = {63},
     number = {1},
     zbl = {06994487},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2018_63_1_a3/}
}