@article{PMFA_2008__53_2_a2,
     author = {Katrno\v{s}ka, Franti\v{s}ek and K\v{r}{\'\i}\v{z}ek, Michal and Somer, Lawrence},
     title = {Magick\'e \v{c}tverce a sudoku},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {113--124},
     publisher = {mathdoc},
     volume = {53},
     number = {2},
     year = {2008},
     zbl = {1265.05079},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2008__53_2_a2/}
}