@article{KYB_1976_12_3_a0,
     author = {Ullrich, Milan},
     title = {Ing. {Libor} {Kub\'at,} {CSc}},
     journal = {Kybernetika},
     pages = {123--126},
     year = {1976},
     volume = {12},
     number = {3},
     zbl = {0325.01016},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1976_12_3_a0/}
}