@article{M2AN_2016__50_6_1917_0,
     author = {Clason, Christian and Kunisch, Karl},
     title = {A convex analysis approach to multi-material topology optimization},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {1917--1936},
     publisher = {EDP-Sciences},
     volume = {50},
     number = {6},
     year = {2016},
     doi = {10.1051/m2an/2016012},
     zbl = {1354.49092},
     mrnumber = {3580127},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/m2an/2016012/}
}