TY  - JOUR
AU  - N. A. Bokaev
TI  - On $U$-sets for multiplicative systems
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1995
SP  - 84
EP  - 86
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1995_1_a14/
LA  - ru
ID  - VMUMM_1995_1_a14
ER  -