References

• Bertero M., 1989, in: Hawkes P.W. (ed.) Advances in Electronics and Electron Physics 75. Academic Press
• Bertero M., De Mol C., Pike E.R., 1984, Proc. R. Soc. Lond. A 393, 51
• Bertero M., De Mol C., Pike E.R., 1985, Inverse Problems 1, 301
• Brown J.C., 1971, Solar Phys. 18, 489
• Brown J.C., Emslie A.G., 1989, Astrophys. J. 331, 554
• Brown J.C., McArthur G.A., Barrett R.K., McIntosh S.W., Emslie A.G., 1998, Solar Phys., (in press)
• Craig I.J.D., Brown J.C., 1976, A&A 49, 239 NASA ADS
• Craig I.J.D., Brown J.C., 1986, Inverse Problems in Astronomy, Hilger
• Davies A.M., 1992, in Bertero M. and Pike E.R. (eds.) Inverse Problems in Scattering and Imaging, Hilger
• Gould R.J., 1980, ApJ 238, 1026 NASA ADS
• Hadamard J., 1923, Lectures on Cauchy's Problems in Linear Partial Differential Equations. Yale University Press
• Haug E., 1997, A&A 326, 417 NASA ADS
• Johns C.M., Lin R.P., 1992, Solar Phys. 137, 121 NASA ADS
• Koch H.W., Motz J.W., 1959, Rev. Mod. Phys. 31, 920
• Piana M., 1994, A&A 288, 949 NASA ADS
• Piana M., Brown J.C., Thompson A.M., 1995, Solar Phys. 156, 315 NASA ADS
• Reed M., Simon B., 1972, Methods of Modern Mathematical Physics I. Academic Press