@article{05601955,
title = {Matrices totally positive relative to a tree.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {18},
year = {2009},
pages = {211-221},
zbl = {1171.15021},
language = {en},
url = {http://dml.mathdoc.fr/item/05601955}
}
Johnson, Charles R.; Costas-Santos, Roberto S.; Tadchiev, Boris. Matrices totally positive relative to a tree.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 18 (2009) pp. 211-221. http://gdmltest.u-ga.fr/item/05601955/