@article{COCV_2007__13_1_72_0,
     author = {Zaslavski, Alexander J.},
     title = {On a variational problem arising in crystallography},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {72--92},
     publisher = {EDP-Sciences},
     volume = {13},
     number = {1},
     year = {2007},
     doi = {10.1051/cocv:2007003},
     mrnumber = {2282102},
     zbl = {1136.49012},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2007003/}
}