@article{GDZPPN001171909,
title = {On the Existence of Optimal Integration Formulas for Analytic Functions.},
journal = {Numerische Mathematik},
volume = {22},
year = {1974},
pages = {105-118},
zbl = {0279.65019},
url = {http://dml.mathdoc.fr/item/GDZPPN001171909}
}
Werner, H.; Loeb, H.L.; Barrar, R.B. On the Existence of Optimal Integration Formulas for Analytic Functions.. Numerische Mathematik, Tome 22 (1974) pp. 105-118. http://gdmltest.u-ga.fr/item/GDZPPN001171909/