@article{1029002165, author = {Dunkl, Charles F.}, title = {Discrete quadrature and bounds on $t$-designs.}, journal = {Michigan Math. J.}, volume = {26}, number = {1}, year = {1979}, pages = { 81-102}, language = {en}, url = {http://dml.mathdoc.fr/item/1029002165} }
Dunkl, Charles F. Discrete quadrature and bounds on $t$-designs.. Michigan Math. J., Tome 26 (1979) no. 1, pp. 81-102. http://gdmltest.u-ga.fr/item/1029002165/