TY  - JOUR
AU  - A. V. Arkhangel'skii
TI  - Twin theorems estimating the cardinality of a topological space
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1986
SP  - 24
EP  - 26
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1986_2_a4/
LA  - ru
ID  - VMUMM_1986_2_a4
ER  -