@article{M2AN_2011__45_5_873_0,
     author = {Theil, Florian},
     title = {Surface energies in a two-dimensional mass-spring model for crystals},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {873--899},
     publisher = {EDP-Sciences},
     volume = {45},
     number = {5},
     year = {2011},
     doi = {10.1051/m2an/2010106},
     mrnumber = {2817548},
     zbl = {1269.82065},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2010106/}
}