@article{DIA_1981__6__A3_0,
     author = {Guitart, R. and Van Den Bril, L.},
     title = {Note sur la d\'etermination des homologies par les carr\'es exacts},
     journal = {Diagrammes},
     note = {talk:3},
     pages = {GV1--GV7},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {6},
     year = {1981},
     mrnumber = {684533},
     zbl = {0522.18009},
     language = {fr},
     url = {http://www.numdam.org/item/DIA_1981__6__A3_0/}
}