@article{ELA_2006__15__a2,
     author = {Neumann, Michael and Xu, Jianhong},
     title = {A note on {Newton} and {Newton-like} inequalities for $M$-matrices and for {Drazin} inverses of $M$-matrices},
     journal = {The electronic journal of linear algebra},
     pages = {314--328},
     publisher = {mathdoc},
     volume = {15},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2006__15__a2/}
}