@misc{KYB_1978_14_3_a6,
     title = {Zpr\'avy},
     journal = {Kybernetika},
     pages = {225--226},
     year = {1978},
     volume = {14},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1978_14_3_a6/}
}