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The Cauchy Problem for a Higher Order Telegraph Equation
Authors:I. M. Aleksandrovich  M. V. Sidorov
Abstract:Using the integral operator that defines a solution of the Cauchy problem for the equation

$$L_n u = square ^n u + a_1 square ^{n - 1} u + cdot cdot cdot + a_n u = f(x,y),$$
we find an integral representation for solutions of the equation

$$(square + k)^n u = f(x,y)$$
in terms of arbitrary functions that are continuously differentiable sufficiently many times.
Keywords:
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