@article{apracticalcontrastivelearningframework,
  title = {A Practical Contrastive Learning Framework for Single-Image Super-Resolution},
  author = {Gang Wu and Junjun Jiang and Xianming Liu},
  year = {2021},
  eprint = {2111.13924},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.13924v2},
}