@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}, volume = {5}, year = {1971}, pages = {127-128}, mrnumber = {308157}, zbl = {0268.15002}, language = {fr}, url = {http://dml.mathdoc.fr/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, Tome 5 (1971) pp. 127-128. http://gdmltest.u-ga.fr/item/M2AN_1971__5_3_127_0/
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