Augmented AMG‐shifted Laplacian preconditioners for indefinite Helmholtz problems

E-ISSN： 1099-1506|22|6|1077-1101

ISSN： 1070-5325

Source： NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS (ELECTRONIC), Vol.22, Iss.6, 2015-12, pp. : 1077-1101

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