@article{COCV_2017__23_2_443_0,
     author = {Liu, Kangsheng and Liu, Zhuangyi and Zhang, Qiong},
     title = {Eventual differentiability of a string with local {Kelvin{\textendash}Voigt} damping},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {443--454},
     publisher = {EDP-Sciences},
     volume = {23},
     number = {2},
     year = {2017},
     doi = {10.1051/cocv/2015055},
     zbl = {1362.35195},
     mrnumber = {3608088},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2015055/}
}