@article{ITA_1996__30_3_261_0,
     author = {Nour, Karim},
     title = {Op\'erateurs de mise en m\'emoire et types $\forall $-positifs},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {261--293},
     publisher = {EDP-Sciences},
     volume = {30},
     number = {3},
     year = {1996},
     mrnumber = {1415831},
     zbl = {0869.03009},
     language = {fr},
     url = {http://www.numdam.org/item/ITA_1996__30_3_261_0/}
}