TY - JOUR T1 - A variational method in image segmentation: existence and approximation result JF - Acta Math. 168 (1992), no.1-2, p. 89-151 Y1 - 1992 A1 - Gianni Dal Maso A1 - Jean-Michel Morel A1 - Sergio Solimini PB - SISSA Library UR - http://hdl.handle.net/1963/808 U1 - 2983 U2 - Mathematics U3 - Functional Analysis and Applications ER -