A remark on uniqueness of best rational approximants of degree 1 in L 2 of the circle. Baratchart, L. — 2006 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
Optimization of positive generalized polynomials under l p constraints. Baratchart, L.; Berthod, M.; Pottier, L. — 1998 Journal of Convex Analysis
Inverse source problem in a 3D ball from best meromorphic approximation on 2D slices. Baratchart, L.; Leblond, J.; Marmorat, J.-P. — 2006 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
Open problems in constructive function theory. Baratchart, L.; Martínez-Finkelshtein, A.; Jimenez, D.; Lubinsky, D.S.; Mhaskar, H.N.; Pritsker, I.; Putinar, M.; Stylianopoulos, N.; Totik, V.; Varju, P.; Xu, Y. — 2006 ETNA. Electronic Transactions on Numerical Analysis [electronic only]