@incollection{JEDP_2012____A12_0,
     author = {Fefferman, Charles L. and Weinstein, Michael I.},
     title = {Waves in {Honeycomb} {Structures}},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {12},
     pages = {1--12},
     publisher = {Groupement de recherche 2434 du CNRS},
     year = {2012},
     doi = {10.5802/jedp.95},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jedp.95/}
}