@article{M2AN_2015__49_1_221_0,
     author = {Turkel, Eli},
     title = {Comments on iterative schemes for high order compact discretizations to the exterior {Helmholtz} equation},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {221--223},
     publisher = {EDP-Sciences},
     volume = {49},
     number = {1},
     year = {2015},
     doi = {10.1051/m2an/2014031},
     zbl = {1311.65134},
     mrnumber = {3342198},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2014031/}
}