@Article{ ButDePFra17, author = { Buttazzo, Giuseppe and De Pascale, Luigi and FragalĂ , Ilaria }, title = { Erratum to: Topological equivalence of some variational problems involving distances }, journal = { Discrete and Continuous Dynamical Systems - Series A }, year = { 2007 }, doi = { 10.3934/dcds.2007.18.219 }, volume = { 18 }, number = { 1 }, pages = { 219-220 }, URL = { http://cvgmt.sns.it/paper/3634/ }, note = { cvgmt preprint} }