@misc{indiciae11242e283639,
  title = {Fourth Order Finite Difference Methods for the Wave Equation with Mesh Refinement Interfaces},
  author = {Wang, Siyang and Petersson, N. Anders},
  year = {2019},
  doi = {10.1137/18m1211465},
  url = {https://www.osti.gov/biblio/1734602},
  note = {Source identifier: 1734602}
}