Philippe de Groote. On the Strong Normalisation of Intuitionistic Natural Deduction with Permutation-Conversions. Inf. Comput., 178(2):441-464, 2002. [doi]
@article{Groote02, title = {On the Strong Normalisation of Intuitionistic Natural Deduction with Permutation-Conversions}, author = {Philippe de Groote}, year = {2002}, doi = {10.1006/inco.2002.3147}, url = {http://dx.doi.org/10.1006/inco.2002.3147}, researchr = {https://researchr.org/publication/Groote02}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {178}, number = {2}, pages = {441-464}, }