Voir la notice de l'article provenant de la source Heldermann Verlag
@article{JCA_1995_2_1-2_a11, author = {A. S. Lewis}, title = {The {Convex} {Analysis} of {Unitarily} {Invariant} {Matrix} {Functions}}, journal = {Journal of convex analysis}, pages = {173--184}, publisher = {mathdoc}, volume = {2}, number = {1-2}, year = {1995}, url = {http://geodesic.mathdoc.fr/item/JCA_1995_2_1-2_a11/} }
A. S. Lewis. The Convex Analysis of Unitarily Invariant Matrix Functions. Journal of convex analysis, Tome 2 (1995) no. 1-2, pp. 173-184. http://geodesic.mathdoc.fr/item/JCA_1995_2_1-2_a11/