@article{COCV_2013__19_3_629_0,
     author = {Lewin, Mathieu and Rougerie, Nicolas},
     title = {On the binding of polarons in a mean-field quantum crystal},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {629--656},
     publisher = {EDP-Sciences},
     volume = {19},
     number = {3},
     year = {2013},
     doi = {10.1051/cocv/2012025},
     mrnumber = {3092354},
     zbl = {1291.35248},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2012025/}
}