@article{variableprojectionfornonsmoothmodels,
  title = {Non-smooth Variable Projection},
  author = {Tristan van Leeuwen and Aleksandr Aravkin},
  year = {2016},
  eprint = {1601.05011},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1601.05011v6},
}