Exact values of Bernstein n-widths for some classes of periodic functions with formal self-adjoint linear differential operators.
Guo, Feng
Journal of Inequalities and Applications [electronic only], Tome 2008 (2008), / Harvested from The Electronic Library of Mathematics
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Publié le : 2008-01-01
DOI : https://doi.org/10.1155/2008/894529
EUDML-ID : urn:eudml:doc:129446 
@article{05313263,
     title = {Exact values of Bernstein },
     journal = {Journal of Inequalities and Applications [electronic only]},
     volume = {2008},
     year = {2008},
     doi = {10.1155/2008/894529},
     zbl = {1151.47039},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05313263}
}

Guo, Feng. Exact values of Bernstein . Journal of Inequalities and Applications [electronic only], Tome 2008 (2008) . doi : 10.1155/2008/894529. http://gdmltest.u-ga.fr/item/05313263/