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Mean value properties of solutions to the modified Helmholtz equation and related topics (a survey). (arXiv:2208.12840v1 [math.AP]) http://arxiv.org/abs/2208.12840
Mean value properties of solutions to the modified Helmholtz equation and related topics (a survey). (arXiv:2208.12840v1 [math.AP]) http://arxiv.org/abs/2208.12840