@misc{indiciae7f4d2c479917,
  title = {An adaptive computation mesh for the solution of singular perturbation problems},
  author = {Brackbill, J. U. and Saltzman, J.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810006187},
  note = {Source identifier: 19810006187}
}