@misc{KYB_1975__11_4_a6,
     title = {Zpr\'avy},
     journal = {Kybernetika},
     pages = {315--317},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {1975},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/KYB_1975__11_4_a6/}
}