@Article{ delfocspa, author = { De Lellis, Camillo and Focardi, Matteo and Spadaro, Emanuele }, title = { Lower semicontinuous functionals for Almgren's multiple valued functions }, journal = { Annales Academiae Scientiarum Fennicae Mathematica }, year = { 2011 }, volume = { 36 }, pages = { 1-18 }, URL = { http://cvgmt.sns.it/paper/896/ }, note = { cvgmt preprint} }