@article{05947050,
title = {Path product and inverse M-matrices.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {22},
year = {2011},
pages = {644-652},
zbl = {1221.15048},
language = {en},
url = {http://dml.mathdoc.fr/item/05947050}
}
Zhu, Yan; Zhang, Cheng-Yi; Liu, Jun. Path product and inverse M-matrices.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 22 (2011) pp. 644-652. http://gdmltest.u-ga.fr/item/05947050/