TY - JOUR AU - Fu, Xiaoyu AU - Liu, Xu AU - Lü, Qi AU - Zhang, Xu TI - An internal observability estimate for stochastic hyperbolic equations JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2016 SP - 1382 EP - 1411 VL - 22 IS - 4 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv/2016042/ DO - 10.1051/cocv/2016042 LA - en ID - COCV_2016__22_4_1382_0 ER -