TY  - JOUR
AU  - A. V. Arkhangel'skiǐ
TI  - The spectrum of frequencies of a~topological space and the product operation
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1979
SP  - 171
EP  - 206
VL  - 40
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1979_40_a4/
LA  - ru
ID  - MMO_1979_40_a4
ER  -