%0 Journal Article %A Cîndea, Nicolae %A Imperiale, Alexandre %A Moireau, Philippe %T Data assimilation of time under-sampled measurements using observers, the wave-like equation example %J ESAIM: Control, Optimisation and Calculus of Variations %D 2015 %P 635-669 %V 21 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv/2014042/ %R 10.1051/cocv/2014042 %G en %F COCV_2015__21_3_635_0