@article{SEDP_1984-1985____A13_0,
     author = {Colin de Verdi\`ere, Y.},
     title = {Ergodicit\'e et fonctions propres du laplacien},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:13},
     pages = {1--7},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1984-1985},
     zbl = {0576.58032},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1984-1985____A13_0/}
}