@misc{KYB_1973__9_2_a8,
     title = {News},
     journal = {Kybernetika},
     pages = {157--158},
     publisher = {mathdoc},
     volume = {09},
     number = {2},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1973__9_2_a8/}
}