%0 Journal Article %A S. P. Zervos %T Cardinals as orbits of groups of automorphisms of ordered sets %J Informatics and Automation %D 1983 %P 118-123 %V 154 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1983_154_a12/ %G ru %F TRSPY_1983_154_a12