Abstract
A Green's function is constructed for an arbitrary polynomial in theN-dimensional Laplacian operator, subject only to the condition that no root of the polynomial may be real and negative.
References
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Boyling, J.B. Green's functions for polynomials in the Laplacian. Z. angew. Math. Phys. 47, 485–492 (1996). https://doi.org/10.1007/BF00916651
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DOI: https://doi.org/10.1007/BF00916651