TY - JOUR AU - S. P. Zervos TI - Cardinals as orbits of groups of automorphisms of ordered sets JO - Informatics and Automation PY - 1983 SP - 118 EP - 123 VL - 154 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1983_154_a12/ LA - ru ID - TRSPY_1983_154_a12 ER -