@article{UM_1993_1_3_a18, author = {M{\'\i}da, J.}, title = {\'Ulohy o alchymistech}, journal = {U\v{c}itel matematiky}, pages = {52--53}, year = {1993}, volume = {1}, number = {3}, language = {cs}, url = {http://geodesic.mathdoc.fr/item/UM_1993_1_3_a18/} }