@incollection{SB_1995-1996__38__411_0,
     author = {Soul\'e, Christophe},
     title = {Classes caract\'eristiques secondaires des fibr\'es plats},
     booktitle = {S\'eminaire Bourbaki : volume 1995/96, expos\'es 805-819},
     series = {Ast\'erisque},
     note = {talk:819},
     pages = {411--424},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {241},
     year = {1997},
     mrnumber = {1472547},
     zbl = {0884.57022},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1995-1996__38__411_0/}
}