@article{AIF_1986__36_2_83_0,
     author = {Seaman, Walter},
     title = {The third {Betti} number of a positively pinched riemannian six manifold},
     journal = {Annales de l'Institut Fourier},
     pages = {83--92},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {36},
     number = {2},
     year = {1986},
     doi = {10.5802/aif.1049},
     mrnumber = {87k:53096},
     zbl = {0578.53031},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.1049/}
}