@article{CRMATH_2016__354_8_778_0,
     author = {D\'ager, Ren\'e},
     title = {Approximate controllability of coupled 1-d wave equations on star-shaped graphs},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {778--782},
     publisher = {Elsevier},
     volume = {354},
     number = {8},
     year = {2016},
     doi = {10.1016/j.crma.2016.05.006},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2016.05.006/}
}