Qian, Jianliang, Song, Jian, Lu, Wangtao, and Burridge, Robert. Hadamard--Babich Ansatz for Point-Source Elastic Wave Equations in Variable Media at High Frequencies. Retrieved from https://par.nsf.gov/biblio/10278865. Multiscale Modeling & Simulation 19.1 Web. doi:10.1137/20M1322224.

Qian, Jianliang, Song, Jian, Lu, Wangtao, & Burridge, Robert. Hadamard--Babich Ansatz for Point-Source Elastic Wave Equations in Variable Media at High Frequencies. Multiscale Modeling & Simulation, 19 (1). Retrieved from https://par.nsf.gov/biblio/10278865. https://doi.org/10.1137/20M1322224

Qian, Jianliang, Song, Jian, Lu, Wangtao, and Burridge, Robert. "Hadamard--Babich Ansatz for Point-Source Elastic Wave Equations in Variable Media at High Frequencies". Multiscale Modeling & Simulation 19 (1). Country unknown/Code not available. https://doi.org/10.1137/20M1322224. https://par.nsf.gov/biblio/10278865.

@article{osti_10278865,
place = {Country unknown/Code not available}, title = {Hadamard--Babich Ansatz for Point-Source Elastic Wave Equations in Variable Media at High Frequencies}, url = {https://par.nsf.gov/biblio/10278865}, DOI = {10.1137/20M1322224}, abstractNote = {}, journal = {Multiscale Modeling & Simulation}, volume = {19}, number = {1}, author = {Qian, Jianliang and Song, Jian and Lu, Wangtao and Burridge, Robert}, editor = {null} }