@article{charpiat-pons-etal:07,
  author = {Charpiat, G. and Maurel, P. and Pons, J.-P. and Keriven, R. and Faugeras, O.},
  title = {Generalized Gradients: Priors on Minimization Flows},
  journal =  {International Journal of Computer Vision},
  year = {2007},
}