@incollection{JEDP_1985___1_A9_0,
     author = {Guillop\'e, Laurent},
     title = {Sur le spectre des longueurs des surfaces de {Riemann}},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {9},
     pages = {1--9},
     publisher = {Ecole polytechnique},
     number = {1},
     year = {1985},
     zbl = {0585.58049},
     language = {fr},
     url = {http://archive.numdam.org/item/JEDP_1985___1_A9_0/}
}