TY - JOUR A1 - Friese, T. A1 - Schmidt, Frank A1 - Yevick, David T1 - Transparent boundary conditions for a wide-angle approximation of the one-way Helmholtz equation JF - J. Comput. Phys. Y1 - 2000 U6 - https://doi.org/10.1006/jcph.2000.6637 VL - 165 IS - 2 SP - 645 EP - 659 ER -