@article{KYB_1982__18_5_a0,
     author = {\v{S}ujan, \v{S}tefan},
     title = {A local structure of stationary perfectly noiseless codes between stationary non-ergodic sources. {I.} {General} considerations},
     journal = {Kybernetika},
     pages = {361--375},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {1982},
     mrnumber = {686518},
     zbl = {0504.94021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1982__18_5_a0/}
}