@article{PMFA_1981_26_2_a3,
     author = {Singmaster, David},
     title = {Ma\v{d}arsk\'a kouzeln\'a kostka},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {86--88},
     year = {1981},
     volume = {26},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1981_26_2_a3/}
}