@article{KYB_1971_7_4_a3, author = {Winkelbauer, Karel}, title = {On the regularity condition for decomposable communication channels}, journal = {Kybernetika}, pages = {314--327}, year = {1971}, volume = {7}, number = {4}, mrnumber = {0349272}, zbl = {0244.94007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1971_7_4_a3/} }