@article{KYB_1971__7_4_a3,
     author = {Winkelbauer, Karel},
     title = {On the regularity condition for decomposable communication channels},
     journal = {Kybernetika},
     pages = {--327},
     publisher = {mathdoc},
     volume = {07},
     number = {4},
     year = {1971},
     mrnumber = {0349272},
     zbl = {0244.94007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1971__7_4_a3/}
}