TY  - JOUR
AU  - Popa, Nicolae
TI  - A characterization of upper triangular trace class matrices
JO  - Comptes Rendus. Mathématique
PY  - 2009
SP  - 59
EP  - 62
VL  - 347
IS  - 1-2
PB  - Elsevier
UR  - http://www.numdam.org/articles/10.1016/j.crma.2008.11.020/
DO  - 10.1016/j.crma.2008.11.020
LA  - en
ID  - CRMATH_2009__347_1-2_59_0
ER  -