Geodesic
The inequality of Jackson type for abstract functions
Sbornik. Mathematics, Tome 67 (1990) no. 1, pp. 117-142 Cet article a éte moissonné depuis la source Math-Net.Ru

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I. G. Tsar'kov. The inequality of Jackson type for abstract functions. Sbornik. Mathematics, Tome 67 (1990) no. 1, pp. 117-142. http://geodesic.mathdoc.fr/item/SM_1990_67_1_a6/

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