Sheu, T.W.H.T.W.H.SheuChen, C.F.C.F.ChenHsieh L.W.2020-01-172020-01-172004https://scholars.lib.ntu.edu.tw/handle/123456789/451777A highly accurate Helmholtz scheme for modeling scattering wavejournal article10.1016/j.cma.2003.08.0132-s2.0-10144246628https://www.scopus.com/inward/record.uri?eid=2-s2.0-10144246628&doi=10.1016%2fj.cma.2003.08.013&partnerID=40&md5=dd3eafe74f0d8410229034d4843c0d58