@article{SAF_1977-1978____A1_0,
     author = {Krivine, J. L.},
     title = {Constantes de {Grothendieck} et fonctions de type positif sur les sph\`eres},
     journal = {S\'eminaire Maurey-Schwartz},
     note = {talk:1 et 2},
     pages = {1--17},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1977-1978},
     mrnumber = {520204},
     zbl = {0407.46020},
     language = {fr},
     url = {http://www.numdam.org/item/SAF_1977-1978____A1_0/}
}