A posteriori error estimation of $hp$-dG finite element methods for highly indefinite Helmholtz problems

@article{Sauter2015Helmholtz,
    AUTHOR = {Sauter, Stefan and Zech, Jakob},
    TITLE = {A posteriori error estimation of {$hp$}-d{G} finite element methods for highly indefinite {H}elmholtz problems},
    JOURNAL = {SIAM J. Numer. Anal.},
    FJOURNAL = {SIAM Journal on Numerical Analysis},
    VOLUME = {53},
    YEAR = {2015},
    NUMBER = {5},
    PAGES = {2414--2440},
    ISSN = {0036-1429,1095-7170},
    MRCLASS = {65N30 (65N15 65N35 65N50)},
    MRNUMBER = {3504600},
    MRREVIEWER = {Herbert\ Egger},
    DOI = {10.1137/140973955},
    URL = {https://doi.org/10.1137/140973955}
}