@misc{KYB_1991_27_6_a7,
     title = {News},
     journal = {Kybernetika},
     pages = {564},
     year = {1991},
     volume = {27},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1991_27_6_a7/}
}