@misc{indiciaefd5ac53cb737,
  title = {Direct methods for the solution of systems of linear equations with sparse coefficient matrix and related topics Final report, 1 Dec. 1967 - 31 Aug. 1970},
  author = {Tewarson, R. P.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710004283},
  note = {Source identifier: 19710004283}
}