@article{UM_2002_10_3_a6, author = {Zelinka, Bohdan}, title = {Chemie, kopan\'a a mnohost\v{e}ny}, journal = {U\v{c}itel matematiky}, pages = {187--188}, year = {2002}, volume = {10}, number = {3}, language = {cs}, url = {http://geodesic.mathdoc.fr/item/UM_2002_10_3_a6/} }