@article{KYB_1978_14_5_a0,
     author = {Materna, Pavel},
     title = {Theory of types and data description},
     journal = {Kybernetika},
     pages = {313--327},
     year = {1978},
     volume = {14},
     number = {5},
     mrnumber = {512000},
     zbl = {0402.68060},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1978_14_5_a0/}
}