@article{SEDP_1979-1980____A10_0,
     author = {Bourguignon, J. P.},
     title = {Premi\`ere valeur propre du laplacien et volume des sph\`eres riemanniennes},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:9},
     pages = {1--17},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1979-1980},
     mrnumber = {600694},
     zbl = {0439.35048},
     language = {fr},
     url = {http://archive.numdam.org/item/SEDP_1979-1980____A10_0/}
}