Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{RMF_2008__83_1_a8, author = {Jedin\'ak, Du\v{s}an}, title = {Vysk\'u\v{s}ajte si svoj d\^ovtip}, journal = {Rozhledy matematicko-fyzik\'aln{\'\i}}, pages = {41--43}, publisher = {mathdoc}, volume = {83}, number = {1}, year = {2008}, language = {sl}, url = {http://geodesic.mathdoc.fr/item/RMF_2008__83_1_a8/} }
Jedinák, Dušan. Vyskúšajte si svoj dôvtip. Rozhledy matematicko-fyzikální, Tome 83 (2008) no. 1, pp. 41-43. http://geodesic.mathdoc.fr/item/RMF_2008__83_1_a8/