@article{GDZPPN001179586, title = {Is Gauss Quadrature Optimal for Analytic Functions?}, journal = {Numerische Mathematik}, volume = {46}, year = {1985}, pages = {89-98}, zbl = {0572.41017}, url = {http://dml.mathdoc.fr/item/GDZPPN001179586} }
Werschulz, A.G.; Kowalski, M.A. Is Gauss Quadrature Optimal for Analytic Functions?. Numerische Mathematik, Tome 46 (1985) pp. 89-98. http://gdmltest.u-ga.fr/item/GDZPPN001179586/