@article{DIA_1982__7__A5_0,
     author = {Guitart, R.},
     title = {From where do figurative algebras come ?},
     journal = {Diagrammes},
     note = {talk:5},
     pages = {RG1--RG7},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {7},
     year = {1982},
     mrnumber = {685056},
     zbl = {0515.18004},
     language = {en},
     url = {http://archive.numdam.org/item/DIA_1982__7__A5_0/}
}