@article{M2AN_2002__36_2_241_0,
     author = {Barrientos, Mauricio A. and Gatica, Gabriel N. and Maischak, Matthias},
     title = {\protect\emph{A-posteriori} error estimates for linear exterior problems \protect\emph{via} {mixed-FEM} and {DtN} mappings},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {241--272},
     publisher = {EDP-Sciences},
     volume = {36},
     number = {2},
     year = {2002},
     doi = {10.1051/m2an:2002011},
     mrnumber = {1906817},
     zbl = {1028.65114},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an:2002011/}
}