TY  - JOUR
AU  - V. L. Timokhovich
TI  - On spaces with $\omega$-systems
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 1060
EP  - 1062
VL  - 207
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_207_5_a11/
LA  - ru
ID  - DAN_1972_207_5_a11
ER  -