Geodesic
Brève communication. Une nouvelle caractérisation des M matrices
ESAIM: Mathematical Modelling and Numerical Analysis , Tome 5 (1971) no. R3, pp. 127-128.

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     author = {Tartar, Luc},
     title = {Br\`eve communication. {Une} nouvelle caract\'erisation des $M$ matrices},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {127--128},
     publisher = {Dunod},
     address = {Paris},
     volume = {5},
     number = {R3},
     year = {1971},
     mrnumber = {308157},
     zbl = {0268.15002},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1971__5_3_127_0/}
}
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Tartar, Luc. Brève communication. Une nouvelle caractérisation des $M$ matrices. ESAIM: Mathematical Modelling and Numerical Analysis , Tome 5 (1971) no. R3, pp. 127-128. http://geodesic.mathdoc.fr/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. | Zbl | MR | EuDML