@misc{KYB_1966_2_1_a9,
     title = {Zpr\'avy},
     journal = {Kybernetika},
     pages = {90--94},
     year = {1966},
     volume = {2},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1966_2_1_a9/}
}