Gopal, A., & Trefethen, L. (2019). New Laplace and Helmholtz solvers. National Academy of Sciences.
芝加哥风格引文Gopal, A., 与 L. Trefethen. New Laplace and Helmholtz Solvers. National Academy of Sciences, 2019.
MLA引文Gopal, A., 与 L. Trefethen. New Laplace and Helmholtz Solvers. National Academy of Sciences, 2019.
警告：这些引文格式不一定是100％准确.