@article{AIHPC_2004__21_6_839_0,
     author = {Bellettini, G. and Mugnai, L.},
     title = {Characterization and representation of the lower semicontinuous envelope of the elastica functional},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {839--880},
     publisher = {Elsevier},
     volume = {21},
     number = {6},
     year = {2004},
     doi = {10.1016/j.anihpc.2004.01.001},
     mrnumber = {2097034},
     zbl = {1110.49014},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2004.01.001/}
}