TY - JOUR AU - P. S. Aleksandrov TI - Topological duality theorems. Part~I. Closed sets JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1955 SP - 3 EP - 110 VL - 48 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1955_48_a0/ LA - ru ID - TM_1955_48_a0 ER -