@incollection{JEDP_1997____A18_0,
     author = {Zworski, Maciej},
     title = {Distribution of resonances for convex co-compact hyperbolic surfaces},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {18},
     pages = {1--9},
     publisher = {Ecole polytechnique},
     year = {1997},
     mrnumber = {98k:58236},
     language = {en},
     url = {http://www.numdam.org/item/JEDP_1997____A18_0/}
}