@misc{KYB_1978_14_2_a6,
     title = {Zpr\'avy},
     journal = {Kybernetika},
     pages = {141--142},
     year = {1978},
     volume = {14},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1978_14_2_a6/}
}