@article{sparseviewxrayctreconstructionusing,
  title = {Sparse-View X-Ray CT Reconstruction Using $\ell_1$ Prior with Learned Transform},
  author = {Xuehang Zheng and Il Yong Chun and Zhipeng Li and Yong Long and Jeffrey A. Fessler},
  year = {2017},
  eprint = {1711.00905},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1711.00905v3},
}