@article{DIA_1982__7__A2_0,
     author = {Coppey, L.},
     title = {Sur quelques structures de base pour d\'efinir les structures},
     journal = {Diagrammes},
     note = {talk:2},
     pages = {C1--C23},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {7},
     year = {1982},
     mrnumber = {685053},
     zbl = {0522.18004},
     language = {fr},
     url = {http://www.numdam.org/item/DIA_1982__7__A2_0/}
}