@article{UM_2017_25_5_a7, author = {Wossala, Jan}, title = {Matematika pro bystr\'e a nadan\'e \v{z}\'aky}, journal = {U\v{c}itel matematiky}, pages = {311--313}, year = {2017}, volume = {25}, number = {5}, language = {cs}, url = {http://geodesic.mathdoc.fr/item/UM_2017_25_5_a7/} }