@article{COCV_2001__6__259_0,
     author = {Avdonin, Sergei and Tucsnak, Marius},
     title = {Simultaneous controllability in sharp time for two elastic strings},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {259--273},
     publisher = {EDP-Sciences},
     volume = {6},
     year = {2001},
     mrnumber = {1816075},
     zbl = {0995.93036},
     language = {en},
     url = {http://www.numdam.org/item/COCV_2001__6__259_0/}
}