@article{DIA_1987__18__A1_0,
     author = {Lair, C.},
     title = {Trames et s\'emantiques cat\'egoriques des syst\`emes de trames},
     journal = {Diagrammes},
     note = {talk:1},
     pages = {CL1--CL47},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {18},
     year = {1987},
     mrnumber = {944790},
     zbl = {0672.18001},
     language = {fr},
     url = {http://www.numdam.org/item/DIA_1987__18__A1_0/}
}