TY - JOUR AU - Brancolini, Alessio AU - Buttazzo, Giuseppe TI - Optimal networks for mass transportation problems JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2005 SP - 88 EP - 101 VL - 11 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2004032/ DO - 10.1051/cocv:2004032 LA - en ID - COCV_2005__11_1_88_0 ER -