À propos de cet article
Publié en ligne: 01 janv. 2022
Pages: 167 - 174
Reçu: 29 déc. 2020
DOI: https://doi.org/10.2478/tmmp-2021-0012
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© 2021 Mathematical Institute, Slovak Academy of Sciences
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
We prove compactness of the operator