%0 Journal Article %A N. M. Nagornyi %T A minimal alphabet of algorithms over a given alphabet %J Informatics and Automation %D 1958 %P 66-74 %V 52 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1958_52_a2/ %G ru %F TRSPY_1958_52_a2