TY - JOUR AU - René Dáger TI - Approximate controllability of coupled 1-d wave equations on star-shaped graphs JO - Comptes Rendus. Mathématique PY - 2016 SP - 778 EP - 782 VL - 354 IS - 8 PB - Elsevier DO - 10.1016/j.crma.2016.05.006 LA - en ID - CRMATH_2016__354_8_778_0 ER -