[
    {
        "id": "osp-13605",
        "type": "article-journal",
        "title": "Approximation Properties of de la Vallée-Poussin sums in Morrey spaces",
        "author": [
            {
                "family": "Kinj",
                "given": "Ahmed"
            },
            {
                "family": "Ali",
                "given": "Mohammad"
            },
            {
                "family": "Mahmoud",
                "given": "Suleiman"
            }
        ],
        "URL": "https://omanscience.com/ar/articles/approximation-properties-of-de-la-vall-e-poussin-sums-in-morrey-spaces",
        "language": "en",
        "issued": {
            "date-parts": [
                [
                    2018
                ]
            ]
        },
        "container-title": "Sultan Qaboos University Journal for Science",
        "volume": "22",
        "issue": "2",
        "page": "89",
        "DOI": "10.24200/squjs.vol22iss2pp89-95",
        "publisher": "Sultan Qaboos University",
        "ISSN": "2308-3921",
        "abstract": "In this paper, we investigate the problem of the deviation of a function from its de la Vallée-Poussin sums of Fourier series in Morrey spaces defined on the unite circle in terms of the best approximation to . Moreover, approximation properties of de la Vallée-Poussin sums of Faber series in Morrey-Smirnov classes of analytic functions, defined on a simply connected domain bounded by a curve satisfying Dini's smoothness condition are obtained."
    }
]