Abstract
Polynomial approximations are constructed for the solutions of differential equations of the first and second order in a Banach space for which the Cauchy problem is stated correctly.
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References
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 45, No. 3, pp. 440–442, March, 1993.
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Orudzhev, G.D. On polynomial approximation of solutions of differential-operator equations. Ukr Math J 45, 471–474 (1993). https://doi.org/10.1007/BF01061021
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DOI: https://doi.org/10.1007/BF01061021