@misc{KYB_1980__16_5_a8,
     title = {Zpr\'avy},
     journal = {Kybernetika},
     publisher = {mathdoc},
     volume = {16},
     number = {5},
     year = {1980},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/KYB_1980__16_5_a8/}
}