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Translated from Ukrainskii Matematicheskii Zhurnal, Vol.31, No.1, pp. 83–89, January–February, 1979.
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Dzyadyk, V.K. Estimation of error of polynomial approximation of solutions of ordinary differential equations. Ukr Math J 31, 65–69 (1979). https://doi.org/10.1007/BF01086443
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DOI: https://doi.org/10.1007/BF01086443