@article{KYB_1981__17_4_a0,
     author = {Pond\v{e}l{\'\i}\v{c}ek, Bed\v{r}ich},
     title = {On compositional and convolutional discrete systems},
     journal = {Kybernetika},
     pages = {277--286},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1981},
     mrnumber = {643915},
     zbl = {0469.93066},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1981__17_4_a0/}
}