@article{COCV_2015__21_4_1120_0,
     author = {Aubert, Gilles and Drogoul, Audric},
     title = {Topological gradient for a fourth order operator used in image analysis},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {1120--1149},
     publisher = {EDP-Sciences},
     volume = {21},
     number = {4},
     year = {2015},
     doi = {10.1051/cocv/2014061},
     mrnumber = {3395758},
     zbl = {1325.49050},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2014061/}
}