Gopal, A., & Trefethen, L. (2019). New Laplace and Helmholtz solvers. National Academy of Sciences.
Lua i Stíl Chicago (17ú heag.)Gopal, A., agus L. Trefethen. New Laplace and Helmholtz Solvers. National Academy of Sciences, 2019.
Lua MLA (9ú heag.)Gopal, A., agus L. Trefethen. New Laplace and Helmholtz Solvers. National Academy of Sciences, 2019.
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