@article{DIA_1989__22__31_0,
     author = {Ageron, Pierre},
     title = {S\'emantique cat\'egorique des constructeurs de types d'ordre sup\'erieur},
     journal = {Diagrammes},
     pages = {31--44},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {22},
     year = {1989},
     mrnumber = {1059269},
     zbl = {0703.18003},
     language = {fr},
     url = {http://archive.numdam.org/item/DIA_1989__22__31_0/}
}