@incollection{JEDP_2001____A13_0,
     author = {Stefanov, Plamen},
     title = {Weyl type upper bounds on the number of resonances near the real axis for trapped systems},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {13},
     pages = {1--16},
     publisher = {Universit\'e de Nantes},
     year = {2001},
     doi = {10.5802/jedp.597},
     mrnumber = {1843414},
     zbl = {01808689},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jedp.597/}
}