@article{UM_1997_5_3_a0,
     author = {Plch, Roman},
     title = {Internet a st\v{r}edn{\'\i} \v{s}koly (3)},
     journal = {U\v{c}itel matematiky},
     pages = {129--136},
     year = {1997},
     volume = {5},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1997_5_3_a0/}
}