TY  - JOUR
AU  - V. I. Malykhin
TI  - On tightness and Suslin number in $\exp X$ and in a product of spaces
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 1001
EP  - 1003
VL  - 203
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_203_5_a6/
LA  - ru
ID  - DAN_1972_203_5_a6
ER  -