@incollection{JEDP_1992____A21_0,
     author = {Gilles Lebeau},
     title = {Control for hyperbolic equations},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {21},
     pages = {1--24},
     publisher = {\'Ecole polytechnique},
     year = {1992},
     doi = {10.5802/jedp.439},
     zbl = {0779.35005},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/jedp.439/}
}