@misc{KYB_1984__20_5_a6,
     title = {New {Books}},
     journal = {Kybernetika},
     pages = {423--426},
     publisher = {mathdoc},
     volume = {20},
     number = {5},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1984__20_5_a6/}
}