@misc{KYB_1973_9_2_a7,
     title = {Nov\'e knihy},
     journal = {Kybernetika},
     pages = {154--156},
     year = {1973},
     volume = {9},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/KYB_1973_9_2_a7/}
}