%0 Journal Article %A A. O. Slisenko %T Arithmetical operations on certain sets of duplexes %J Informatics and Automation %D 1967 %P 187-207 %V 93 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1967_93_a10/ %G ru %F TRSPY_1967_93_a10