@article{AIF_1979__29_2_25_0,
     author = {Dazord, Pierre},
     title = {Invariants homotopiques attach\'es aux fibres symplectiques},
     journal = {Annales de l'Institut Fourier},
     pages = {25--78},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {29},
     number = {2},
     year = {1979},
     doi = {10.5802/aif.743},
     mrnumber = {81e:53021},
     zbl = {0378.58011},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.5802/aif.743/}
}