@misc{KYB_1982_18_2_a6,
     title = {Zpr\'avy},
     journal = {Kybernetika},
     pages = {169--172},
     year = {1982},
     volume = {18},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1982_18_2_a6/}
}