@article{SJL_1961-1962____A3_0,
     author = {Dejean, Y.},
     title = {Estimation des valeurs propres des membranes},
     journal = {S\'eminaire Jean Leray},
     note = {talk:3},
     pages = {1--24},
     publisher = {Coll\`ege de France},
     year = {1961-1962},
     language = {fr},
     url = {http://www.numdam.org/item/SJL_1961-1962____A3_0/}
}