@article{TRSPY_1967_93_a10,
     author = {A. O. Slisenko},
     title = {Arithmetical operations on certain sets of duplexes},
     journal = {Informatics and Automation},
     pages = {187--207},
     publisher = {mathdoc},
     volume = {93},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1967_93_a10/}
}