@article{xvolutionontheunificationofconvolution,
  title = {X-volution: On the unification of convolution and self-attention},
  author = {Xuanhong Chen and Hang Wang and Bingbing Ni},
  year = {2021},
  eprint = {2106.02253},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.02253v2},
}