@misc{KYB_1977_13_5_a6,
     title = {Zpr\'avy},
     journal = {Kybernetika},
     pages = {369},
     year = {1977},
     volume = {13},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1977_13_5_a6/}
}