TY  - DATA
AU  - Popescu, Gelu
TI  - Unitary invariants in multivariable operator theory 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470405557 (online)
PY  - 2009///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0941
ER  -