@article{UM_2006_14_3_a4,
     author = {Zagorov\'a, Pavla},
     title = {Pluh a r\'y\v{c}e pro p\v{e}stitele matematiky (3)},
     journal = {U\v{c}itel matematiky},
     pages = {162--168},
     year = {2006},
     volume = {14},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2006_14_3_a4/}
}