@article{ITA_1997__31_5_411_0,
     author = {Blanc, G. and Liogier, K.},
     title = {N\'egation constructive et axiomatique interne},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {411--428},
     publisher = {EDP-Sciences},
     volume = {31},
     number = {5},
     year = {1997},
     mrnumber = {1611643},
     zbl = {0893.68025},
     language = {fr},
     url = {http://archive.numdam.org/item/ITA_1997__31_5_411_0/}
}