TY  - JOUR
AU  - Marwaha, Alka
TI  - A Geometric Characterization of Nonnegative Bands
JO  - Canadian mathematical bulletin
PY  - 2004
SP  - 257
EP  - 263
VL  - 47
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2004-025-0/
DO  - 10.4153/CMB-2004-025-0
ID  - 10_4153_CMB_2004_025_0
ER  -