@incollection{SB_1970-1971__13__221_0,
     author = {Rosenberg, Harold},
     title = {Feuilletages sur des sph\`eres},
     booktitle = {S\'eminaire Bourbaki : vol. 1970/71, expos\'es 382-399},
     series = {S\'eminaire Bourbaki},
     note = {talk:393},
     pages = {221--232},
     publisher = {Springer-Verlag},
     number = {13},
     year = {1971},
     mrnumber = {431204},
     zbl = {0228.57016},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1970-1971__13__221_0/}
}