@article{90,
  author = {L. Qu and Y. Tan and C. Li and G. Gong},
  title = {More results on differentially 4-uniform permutations on $F_2^2k$},
  year = {2016},
  journal = {Designs, Codes and Cryptography},
  volume = {78},
  chapter = {391},
  pages = {391-408},
  month = {February/2016},
}