Geodesic
On Birkhoff Interpolation of Functions of Ordered $\Lambda$-bounded Variation
Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 13 (2013) no. 1, pp. 81-83 
V. V. Novikov. On Birkhoff Interpolation of Functions of Ordered $\Lambda$-bounded Variation. Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 13 (2013) no. 1, pp. 81-83. http://geodesic.mathdoc.fr/item/ISU_2013_13_1_a19/
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Voir la notice de l'article provenant de la source Math-Net.Ru

A sufficient condition for the uniform convergence of Lagrange and (0,2,3) Birkhoff interpolation on the whole real line is obtained. The condition is in terms of ordered $\Lambda$-bounded variation.

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