@article{10_21136_CPM_1969_117665,
     author = {Preiss, David and Uher, Jarom{\'\i}r},
     title = {Pozn\'amka k prvn{\'\i} v\v{e}t\v{e} o st\v{r}edn{\'\i} hodnot\v{e} integr\'aln{\'\i}ho po\v{c}tu},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {199--201},
     publisher = {mathdoc},
     volume = {094},
     number = {2},
     year = {1969},
     doi = {10.21136/CPM.1969.117665},
     mrnumber = {0252579},
     zbl = {0174.34902},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1969.117665/}
}