Kurt Otto, Elisabeth Larsson. Iterative Solution of the Helmholtz Equation by a Second-Order Method. SIAM J. Matrix Analysis Applications, 21(1):209-229, 1999. [doi]
@article{OttoL99-0, title = {Iterative Solution of the Helmholtz Equation by a Second-Order Method}, author = {Kurt Otto and Elisabeth Larsson}, year = {1999}, doi = {10.1137/S0895479897316588}, url = {http://dx.doi.org/10.1137/S0895479897316588}, researchr = {https://researchr.org/publication/OttoL99-0}, cites = {0}, citedby = {0}, journal = {SIAM J. Matrix Analysis Applications}, volume = {21}, number = {1}, pages = {209-229}, }