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Publicado en línea: 16 jul 2020
Páginas: 85 - 96
Recibido: 03 jun 2019
DOI: https://doi.org/10.2478/ausm-2020-0005
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© 2020 Zoltán Finta, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
For the sequence of King operators, we establish a direct approximation theorem via the first order Ditzian-Totik modulus of smoothness, and a converse approximation theorem of Berens-Lorentz-type.