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Smoothness of solutions of certain singular second-order equations

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Abstract

Properties of solutions of a class of singular second-order equations are studied. It is proved that the smoothness of derivatives of a solution depends on the direction of differentiation. Inequalities analogous to those obtained by Shauder are derived for the second-order derivatives occurring in the equations.

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Literature cited

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Translated from Matematicheskie Zametki, Vol. 10, No. 1, pp. 101–111, July, 1971.

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Shatyro, Y.I. Smoothness of solutions of certain singular second-order equations. Mathematical Notes of the Academy of Sciences of the USSR 10, 484–489 (1971). https://doi.org/10.1007/BF01747076

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  • DOI: https://doi.org/10.1007/BF01747076

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