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@article{AM2_1979__19_136839, author = {A.G. Werschulz}, title = {Maximal order for quadratures using n evaluations {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {310--313}, publisher = {mathdoc}, volume = {19}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/AM2_1979__19_136839/} }
A.G. Werschulz. Maximal order for quadratures using n evaluations (Short Communication).. Aequationes mathematicae, Tome 19 (1979), pp. 310-313. http://geodesic.mathdoc.fr/item/AM2_1979__19_136839/