@incollection{JEDP_2015____A9_0,
     author = {Christopher D.  Sogge},
     title = {Problems related to the concentration of eigenfunctions},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {9},
     pages = {1--11},
     publisher = {Groupement de recherche 2434 du CNRS},
     year = {2015},
     doi = {10.5802/jedp.638},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/jedp.638/}
}