@article{RCP25_1974__21__A2_0,
     author = {Colin de Verdi\`ere, Y.},
     title = {Spectre du laplacien},
     journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25},
     note = {talk:2},
     pages = {1--15},
     publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur},
     volume = {21},
     year = {1974},
     language = {fr},
     url = {http://www.numdam.org/item/RCP25_1974__21__A2_0/}
}