Estimations of the integral of modulus for mixed derivatives of the sum of double trigonometric series
For functions of two variables defined by trigonometric series with quasiconvex coefficients, we estimate their variations in the Hardy – Vitali sense.
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| Date: | 2016 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Institute of Mathematics, NAS of Ukraine
2016
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/1890 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
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