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@article{PORMA_1992__49_3_115794, author = {Prolla, Jo\~ao B.}, title = {Slice-products in bivariate approximation}, journal = {Portugaliae mathematica}, pages = {333--347}, publisher = {mathdoc}, volume = {49}, number = {3}, year = {1992}, mrnumber = {1201294}, zbl = {0777.41030}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1992__49_3_115794/} }
Prolla, João B. Slice-products in bivariate approximation. Portugaliae mathematica, Tome 49 (1992) no. 3, pp. 333-347. http://geodesic.mathdoc.fr/item/PORMA_1992__49_3_115794/