Asymptotic Estimates for the~Approximation and Entropy Numbers of a~One-Weight Riemann--Liouville Operator
Matematičeskie trudy, Tome 9 (2006) no. 1, pp. 52-100.

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We obtain two-sided estimates for the asymptotic behavior of the approximation and entropy numbers of a one-weight Riemann–Liouville operator of an arbitrary integer order acting in Lebesgue spaces on the semiaxis.
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E. N. Lomakina; V. D. Stepanov. Asymptotic Estimates for the~Approximation and Entropy Numbers of a~One-Weight Riemann--Liouville Operator. Matematičeskie trudy, Tome 9 (2006) no. 1, pp. 52-100. http://geodesic.mathdoc.fr/item/MT_2006_9_1_a3/

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