@misc{KYB_1990_26_2_a5,
     title = {New books},
     journal = {Kybernetika},
     pages = {165--166},
     year = {1990},
     volume = {26},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1990_26_2_a5/}
}