@article{COCV_2020__26_1_A38_0,
     author = {Agresti, Antonio and Andreucci, Daniele and Loreti, Paola},
     title = {Alternating and variable controls for the wave equation},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     publisher = {EDP-Sciences},
     volume = {26},
     year = {2020},
     doi = {10.1051/cocv/2019017},
     mrnumber = {4116677},
     zbl = {1446.35068},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2019017/}
}