@article{etna_vol26_pp299-311,
  author  = {Tony F. Chan and Ke Chen and Jamylle L. Carter},
  title   = {Iterative methods for solving the dual formulation arising from image restoration},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {26},
  year    = {2007},
  pages   = {299--311},
}