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Remarks on the approximation-solvability of nonlinear functional equations

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Communicated by J. Serrin

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Petryshyn, W.V. Remarks on the approximation-solvability of nonlinear functional equations. Arch. Rational Mech. Anal. 26, 43–49 (1967). https://doi.org/10.1007/BF00283858

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