Brève communication. Une nouvelle caractérisation des M matrices
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Volume 5 (1971) no. R3, p. 127-128
@article{M2AN_1971__5_3_127_0,
     author = {Tartar, Luc},
     title = {Br\`eve communication. Une nouvelle caract\'erisation des $M$ matrices},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis - Mod\'elisation Math\'ematique et Analyse Num\'erique},
     publisher = {Dunod},
     volume = {5},
     number = {R3},
     year = {1971},
     pages = {127-128},
     zbl = {0268.15002},
     mrnumber = {308157},
     language = {fr},
     url = {http://www.numdam.org/item/M2AN_1971__5_3_127_0}
}
Tartar, Luc. Brève communication. Une nouvelle caractérisation des $M$ matrices. ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Volume 5 (1971) no. R3, pp. 127-128. http://www.numdam.org/item/M2AN_1971__5_3_127_0/

[1] M. Fiedler et V. Ptak, On matrices with positive off diagonal elements and positive principal minors. Czec. Math. J., 12 (87), 1962, p. 382-400. | MR 142565 | Zbl 0131.24806