TY  - JOUR
AU  - Davini, Cesare
AU  - Paroni, Roberto
TI  - External approximation of first order variational problems via $W^{-1, p}$ estimates
JO  - ESAIM: Control, Optimisation and Calculus of Variations
PY  - 2008
SP  - 802
EP  - 824
VL  - 14
IS  - 4
PB  - EDP-Sciences
UR  - http://www.numdam.org/articles/10.1051/cocv:2008011/
DO  - 10.1051/cocv:2008011
LA  - en
ID  - COCV_2008__14_4_802_0
ER  -