@article{DIA_1981__5__A3_0,
     author = {Guitart, R. and Lair, C.},
     title = {Crit\`eres de rigidification des morphismes souples entre structures internes},
     journal = {Diagrammes},
     note = {talk:3},
     pages = {GL1--GL17},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {5},
     year = {1981},
     mrnumber = {684749},
     zbl = {0514.18005},
     language = {fr},
     url = {http://archive.numdam.org/item/DIA_1981__5__A3_0/}
}