@article{10_4171_ifb_2,
     author = {Roberto Alicandro and Andrea Braides and Jayant M. Shah},
     title = {Free-discontinuity problems via functionals involving the {L1-norm} of the gradient and their approximations},
     journal = {Interfaces and free boundaries},
     pages = {17--37},
     year = {1999},
     volume = {1},
     number = {1},
     doi = {10.4171/ifb/2},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/2/}
}