TY - JOUR AU - A. Arkhangel'skii TI - A condition for preservation of metrizability under quotient mappings JO - Doklady Akademii Nauk PY - 1965 SP - 9 EP - 12 VL - 164 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_164_1_a0/ LA - ru ID - DAN_1965_164_1_a0 ER -