%0 Journal Article %A Coron, Jean-Michel %A Nguyen, Hoai-Minh %T On the optimal controllability time for linear hyperbolic systems with time-dependent coefficients %J Annales de l'Institut Fourier %D 2026 %P 1635-1704 %V 76 %N 4 %I Association des Annales de l’institut Fourier %U https://aif.centre-mersenne.org/articles/10.5802/aif.3745/ %R 10.5802/aif.3745 %G en %F AIF_2026__76_4_1635_0