@misc{indiciae72d7b1eee4e0,
  title = {Evolution of solar magnetic fields - A new approach to MHD initial-boundary value problems by the method of nearcharacteristics},
  author = {Nakagawa, Y.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810027004},
  note = {Source identifier: 19810027004}
}