@ARTICLE{Ling+HonETAL-InvesouridenPois:05,
  author       = {Ling, L. and Hon, Y. C. and Yamamoto, M.},
  title        = {Inverse source identification for {P}oisson equation},
  journal      = {Inverse Probl. Sci. Eng.},
  fjournal     = {Inverse Problems in Science and Engineering},
  volume       = {13},
  number       = {4},
  pages        = {433-447},
  year         = {2005},
}