Voir la notice de l'article provenant de la source Heldermann Verlag
@article{JCA_1996_3_1_a10, author = {L. Qi and R. S. Womersley}, title = {On {Extreme} {Singular} {Values} of {Matrix} {Valued} {Functions}}, journal = {Journal of convex analysis}, pages = {153--166}, publisher = {mathdoc}, volume = {3}, number = {1}, year = {1996}, url = {http://geodesic.mathdoc.fr/item/JCA_1996_3_1_a10/} }
L. Qi; R. S. Womersley. On Extreme Singular Values of Matrix Valued Functions. Journal of convex analysis, Tome 3 (1996) no. 1, pp. 153-166. http://geodesic.mathdoc.fr/item/JCA_1996_3_1_a10/