@article{ITA_1984__18_1_3_0,
     author = {Nait Abdallah, M. A.},
     title = {Data types as algorithms},
     journal = {RAIRO. Informatique th\'eorique},
     pages = {3--22},
     publisher = {EDP-Sciences},
     volume = {18},
     number = {1},
     year = {1984},
     mrnumber = {750448},
     zbl = {0569.68025},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1984__18_1_3_0/}
}