@article{KYB_1979__15_5_a1,
     author = {Sontag, Eduardo D.},
     title = {On finitary linear systems},
     journal = {Kybernetika},
     pages = {--358},
     publisher = {mathdoc},
     volume = {15},
     number = {5},
     year = {1979},
     mrnumber = {554018},
     zbl = {0418.93002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1979__15_5_a1/}
}