@Inproceedings{EPTCS213.4,
  author    = {Esp\'irito Santo, Jos\'e},
  year      = {2016},
  title     = {A note on strong normalization in classical natural deduction},
  editor    = {Kohlenbach, Ulrich and Bakel, Steffen van and Berardi, Stefano},
  booktitle = {{\rm Proceedings Sixth International Workshop on}
               Classical Logic and Computation,
               {\rm Porto, Portugal , 23th June 2016}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {213},
  publisher = {Open Publishing Association},
  pages     = {41-51},
  doi       = {10.4204/EPTCS.213.4},
}