@misc{KYB_1993__29_5_a12,
     title = {News},
     journal = {Kybernetika},
     publisher = {mathdoc},
     volume = {29},
     number = {5},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1993__29_5_a12/}
}