@incollection{JEDP_2000____A5_0,
     author = {Fr\'ed\'eric H\'erau},
     title = {Une in\'egalit\'e de {G\r{a}rding} \`a bord},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {5},
     pages = {1--12},
     publisher = {Universit\'e de Nantes},
     year = {2000},
     zbl = {01808695},
     mrnumber = {2001f:35455},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_2000____A5_0/}
}