@article{DIA_2012__S67-68__1_0,
     author = {Bourn, D.},
     title = {Nature {Morte,} {Lettre} {Suit}},
     journal = {Diagrammes},
     pages = {5--8},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {S67-68},
     year = {2012},
     language = {fr},
     url = {http://www.numdam.org/item/DIA_2012__S67-68__1_0/}
}