@article{10_4171_ifb_286,
     author = {Samuel Amstutz and Nicolas Van Goethem},
     title = {Topology optimization methods with gradient-free perimeter approximation},
     journal = {Interfaces and free boundaries},
     pages = {401--430},
     year = {2012},
     volume = {14},
     number = {3},
     doi = {10.4171/ifb/286},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/286/}
}