@article{aposteriorierrorestimatorforafront,
  title = {A Posteriori Error Estimator for a Front-Fixing Finite Difference Scheme for American Options},
  year = {2015},
  eprint = {1504.04594},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1504.04594v1},
}