@misc{indiciae4d0497bfb707,
  title = {On the Definition of Surface Potentials for Finite-Difference Operators},
  author = {Tsynkov, S. V. and Bushnell, Dennis M.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20010102596},
  note = {Source identifier: 20010102596}
}