TY - JOUR AU - Zha, Dongbing AU - Peng, Weimin TI - Remarks on nonlinear elastic waves with null conditions JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2020 VL - 26 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv/2020039/ DO - 10.1051/cocv/2020039 LA - en ID - COCV_2020__26_1_A121_0 ER -