@incollection{JEDP_1981____AS14_0,
     author = {Shimakura, Norio},
     title = {La premi\`ere valeur propre du laplacien pour le probl\`eme de {Dirichlet}},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {S14},
     pages = {1--9},
     publisher = {Ecole polytechnique},
     year = {1981},
     mrnumber = {82f:35144},
     zbl = {0483.35069},
     language = {fr},
     url = {http://archive.numdam.org/item/JEDP_1981____AS14_0/}
}