@article{RMF_2017__92_3_a2, author = {Calda, Emil}, title = {\'Uloha o \v{s}achovnici}, journal = {Rozhledy matematicko-fyzik\'aln{\'\i}}, pages = {21--22}, publisher = {mathdoc}, volume = {92}, number = {3}, year = {2017}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/RMF_2017__92_3_a2/} }