@article{M2AN_2001__35_1_129_0, author = {Hinterm\"uller, Michael}, title = {Inverse coefficient problems for variational inequalities : optimality conditions and numerical realization}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis }, pages = {129--152}, publisher = {EDP-Sciences}, volume = {35}, number = {1}, year = {2001}, mrnumber = {1811984}, zbl = {0978.65054}, language = {en}, url = {http://geodesic.mathdoc.fr/item/M2AN_2001__35_1_129_0/} }