@misc{indiciaee1ae7b21307d,
  title = {Sparse Approximate Multifrontal Factorization with Butterfly Compression for High-Frequency Wave Equations},
  author = {Liu, Yang (ORCID:0000000337501178) and Ghysels, Pieter and Claus, Lisa and Li, Xiaoye Sherry},
  year = {2021},
  doi = {10.1137/20m1349667},
  url = {https://www.osti.gov/biblio/1650082},
  note = {Source identifier: 1650082}
}