@article{10_4007_annals_2012_175_3_11,
     author = {Enrico Serra and Paolo Tilli},
     title = {Nonlinear wave equations as limits  of convex minimization problems: proof of a conjecture by {De} {Giorgi}},
     journal = {Annals of mathematics},
     pages = {1551--1574},
     year = {2012},
     volume = {175},
     number = {3},
     doi = {10.4007/annals.2012.175.3.11},
     mrnumber = {2912711},
     zbl = {06051276},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2012.175.3.11/}
}