@article{M2AN_2007__41_1_147_0,
     author = {Antoine, Xavier and Darbas, Marion},
     title = {Generalized combined field integral equations for the iterative solution of the three-dimensional {Helmholtz} equation},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {147--167},
     publisher = {EDP-Sciences},
     volume = {41},
     number = {1},
     year = {2007},
     doi = {10.1051/m2an:2007009},
     mrnumber = {2323695},
     zbl = {1123.65117},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an:2007009/}
}