TY  - JOUR
AU  - V. V. Ryzhikov
TI  - Rank, rigidity of factors, and weak closure of measure-preserving $\mathbf{Z}^n$-actions
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 2008
SP  - 13
EP  - 16
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_2008_4_a1/
LA  - ru
ID  - VMUMM_2008_4_a1
ER  -