@article{UMJ_2020_6_1_a6,
     author = {Abdelhak Hafdallah},
     title = {Optimal control for a controlled ill-posed wave equation without requiring the {Slater} hypothesis},
     journal = {Ural mathematical journal},
     pages = {84--94},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UMJ_2020_6_1_a6/}
}