@misc{KYB_1969_5_3_a8,
     title = {Recenze},
     journal = {Kybernetika},
     pages = {254--257},
     year = {1969},
     volume = {5},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1969_5_3_a8/}
}