@incollection{JEDP_2017____A5_0,
     author = {Antoine Benoit and Mitia Duerinckx and Antoine Gloria and Christopher Shirley},
     title = {Approximate spectral theory  and wave propagation in quasi-periodic media},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     note = {talk:5},
     pages = {1--12},
     publisher = {Groupement de recherche 2434 du CNRS},
     year = {2017},
     doi = {10.5802/jedp.655},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/jedp.655/}
}