@article{EP_2009_27_a6,
     author = {Patrick Hild and Vanessa Lleras and Yves Renard},
     title = {A posteriori error analysis for {Poisson's} equation approximated by {XFEM}},
     journal = {ESAIM. Proceedings},
     pages = {107--121},
     publisher = {mathdoc},
     volume = {27},
     year = {2009},
     doi = {10.1051/proc/2009022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/2009022/}
}