@article{JMLR:v22:18-745,
  author  = {Alper Atamturk and Andres Gomez and Shaoning Han},
  title   = {Sparse and Smooth Signal Estimation: Convexification of L0-Formulations},
  journal = {Journal of Machine Learning Research},
  year    = {2021},
  volume  = {22},
  number  = {52},
  pages   = {1--43},
  url     = {http://jmlr.org/papers/v22/18-745.html}
}