A. K. Gautesen, Maarten V. De Hoop. Uniform Asymptotic Expansion of the Square-Root Helmholtz Operator and the One-Way Wave Propagator. SIAM Journal of Applied Mathematics, 63(3):777-800, 2003. [doi]
@article{GautesenH03,
title = {Uniform Asymptotic Expansion of the Square-Root Helmholtz Operator and the One-Way Wave Propagator},
author = {A. K. Gautesen and Maarten V. De Hoop},
year = {2003},
doi = {10.1137/S0036139902402300},
url = {http://dx.doi.org/10.1137/S0036139902402300},
researchr = {https://researchr.org/publication/GautesenH03},
cites = {0},
citedby = {0},
journal = {SIAM Journal of Applied Mathematics},
volume = {63},
number = {3},
pages = {777-800},
}