@article{GDZPPN001174258, title = {Optimal Convergence of Minimum Norm Approximations in Hp.}, journal = {Numerische Mathematik}, volume = {28}, year = {1977}, pages = {345-362}, zbl = {0437.41030}, url = {http://dml.mathdoc.fr/item/GDZPPN001174258} }
Stenger, F. Optimal Convergence of Minimum Norm Approximations in Hp.. Numerische Mathematik, Tome 28 (1977) pp. 345-362. http://gdmltest.u-ga.fr/item/GDZPPN001174258/