@misc{indiciae5f3d8510ae47,
  title = {Efficient solution of parabolic equations by Krylov approximation methods},
  author = {Gallopoulos, E. and Saad, Y.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19930004221},
  note = {Source identifier: 19930004221}
}