TY  - JOUR
AU  - A. V. Arkhangel'skii
TI  - The frequency spectrum of a topological space and the classification of spaces
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 265
EP  - 268
VL  - 206
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_206_2_a0/
LA  - ru
ID  - DAN_1972_206_2_a0
ER  -