@article{MOMA_1959__63_177068,
     author = {Ky Fan and A.S. Householder},
     title = {A {Note} {Concerning} {Positive} {Matrices} and {M-Matrices.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {265--270},
     publisher = {mathdoc},
     volume = {63},
     year = {1959},
     zbl = {0086.01504},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1959__63_177068/}
}