TY  - JOUR
AU  - A. Arkhangel'skii
TI  - Some types of factor mappings, and the relations between classes of topological spaces
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 743
EP  - 746
VL  - 153
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_153_4_a0/
LA  - ru
ID  - DAN_1963_153_4_a0
ER  -