TY - JOUR AU - A. V. Arkhangel'skii TI - Theorems on the cardinality of families of sets in compact Hausdorff spaces JO - Doklady Akademii Nauk PY - 1976 SP - 993 EP - 996 VL - 226 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_226_5_a0/ LA - ru ID - DAN_1976_226_5_a0 ER -