%0 Journal Article %A Imperiale, S. %A Moireau, P. %A Tonnoir, A. %T Analysis of an observer strategy for initial state reconstruction of wave-like systems in unbounded domains %J ESAIM: Control, Optimisation and Calculus of Variations %D 2020 %V 26 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv/2019026/ %R 10.1051/cocv/2019026 %G en %F COCV_2020__26_1_A45_0