%0 Journal Article %A Abdelhak Hafdallah %T Optimal control for a controlled ill-posed wave equation without requiring the Slater hypothesis %J Ural mathematical journal %D 2020 %P 84-94 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UMJ_2020_6_1_a6/ %G en %F UMJ_2020_6_1_a6