@article{TSG_1984-1985__3__A5_0,
     author = {Dufresnoy, Alain},
     title = {Moyenne de formes quadratiques positives et champs magn\'etiques},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     note = {talk:5},
     pages = {1--9},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {3},
     year = {1984-1985},
     mrnumber = {1046052},
     zbl = {0900.35265},
     language = {fr},
     url = {http://www.numdam.org/item/TSG_1984-1985__3__A5_0/}
}