@misc{indiciae6a04a2385fa1,
  title = {Galerkin finite difference Laplacian operators on isolated unstructured triangular meshes by linear combinations},
  author = {Baumeister, Kenneth J.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900016960},
  note = {Source identifier: 19900016960}
}