@article{01924315,
title = {The nonnegative },
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {10},
year = {2003},
pages = {46-59},
zbl = {1026.15012},
language = {en},
url = {http://dml.mathdoc.fr/item/01924315}
}
Choi, Ji Young; Dealba, Luz Maria; Hogben, Leslie; Kivunge, Benard M.; Nordstrom, Sandra K.; Shedenhelm, Mike. The nonnegative . ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 10 (2003) pp. 46-59. http://gdmltest.u-ga.fr/item/01924315/