Liu, Yang, Song, Jian, Burridge, Robert, and Qian, Jianliang. A Fast Butterfly-Compressed Hadamard–Babich Integrator for High-Frequency Helmholtz Equations in Inhomogeneous Media with Arbitrary Sources. Retrieved from https://par.nsf.gov/biblio/10434115. Multiscale Modeling & Simulation 21.1 Web. doi:10.1137/21M1450422.

Liu, Yang, Song, Jian, Burridge, Robert, & Qian, Jianliang. A Fast Butterfly-Compressed Hadamard–Babich Integrator for High-Frequency Helmholtz Equations in Inhomogeneous Media with Arbitrary Sources. Multiscale Modeling & Simulation, 21 (1). Retrieved from https://par.nsf.gov/biblio/10434115. https://doi.org/10.1137/21M1450422

Liu, Yang, Song, Jian, Burridge, Robert, and Qian, Jianliang. "A Fast Butterfly-Compressed Hadamard–Babich Integrator for High-Frequency Helmholtz Equations in Inhomogeneous Media with Arbitrary Sources". Multiscale Modeling & Simulation 21 (1). Country unknown/Code not available. https://doi.org/10.1137/21M1450422. https://par.nsf.gov/biblio/10434115.

@article{osti_10434115,
place = {Country unknown/Code not available}, title = {A Fast Butterfly-Compressed Hadamard–Babich Integrator for High-Frequency Helmholtz Equations in Inhomogeneous Media with Arbitrary Sources}, url = {https://par.nsf.gov/biblio/10434115}, DOI = {10.1137/21M1450422}, abstractNote = {}, journal = {Multiscale Modeling & Simulation}, volume = {21}, number = {1}, author = {Liu, Yang and Song, Jian and Burridge, Robert and Qian, Jianliang}, }