@article{DIA_1989__21__A6_0,
     author = {Lellahi, S. K.},
     title = {Categorical abstract data type {(CADT)}},
     journal = {Diagrammes},
     note = {talk:6},
     pages = {SK1--SK23},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {21},
     year = {1989},
     mrnumber = {1021091},
     zbl = {0678.68014},
     language = {en},
     url = {http://www.numdam.org/item/DIA_1989__21__A6_0/}
}