TY - JOUR AU - Barroso, Ana Cristina AU - Matias, José TI - On a volume constrained variational problem in SBV${^2(\Omega )}$ : part I JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2002 SP - 223 EP - 237 VL - 7 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2002009/ DO - 10.1051/cocv:2002009 LA - en ID - COCV_2002__7__223_0 ER -