TY - JOUR AU - Coron, Jean-Michel AU - Nguyen, Hoai-Minh TI - On the optimal controllability time for linear hyperbolic systems with time-dependent coefficients JO - Annales de l'Institut Fourier PY - 2026 SP - 1635 EP - 1704 VL - 76 IS - 4 PB - Association des Annales de l’institut Fourier UR - https://aif.centre-mersenne.org/articles/10.5802/aif.3745/ DO - 10.5802/aif.3745 LA - en ID - AIF_2026__76_4_1635_0 ER -