@article{CMUC_1983__24_1_a14,
     author = {\v{S}i\v{s}ka, Jarom{\'\i}r},
     title = {Transducer, generalized relays and their characterization},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {167--182},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1983},
     mrnumber = {703935},
     zbl = {0518.93004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1983__24_1_a14/}
}