We study the properties of functions integrable on a segment. Some estimates for the approximations of a function and its derivatives are obtained.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 71, No. 2, pp. 261–270, February, 2019.
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Motorna, O.V., Motornyi, V.P. On the Joint Approximation of a Function and its Derivatives in the Mean. Ukr Math J 71, 296–307 (2019). https://doi.org/10.1007/s11253-019-01645-4
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DOI: https://doi.org/10.1007/s11253-019-01645-4