@misc{KYB_1974_10_5_a7,
     title = {Zpr\'avy},
     journal = {Kybernetika},
     pages = {458--459},
     year = {1974},
     volume = {10},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1974_10_5_a7/}
}