@article {Ve2024a,
    AUTHOR = {Verf\"{u}rth, Barbara},
     TITLE = {Higher-{O}rder {F}inite {E}lement {M}ethods for the
              {N}onlinear {H}elmholtz {E}quation},
   JOURNAL = {J. Sci. Comput.},
  FJOURNAL = {Journal of Scientific Computing},
    VOLUME = {98},
    NUMBER = {3},
      YEAR = {2024},
      PAGES = {article number 66},
      ISSN = {0885-7474,1573-7691},
   MRCLASS = {65N15 (65N12 65N30 78A40)},
  MRNUMBER = {4705735},
       DOI = {10.1007/s10915-024-02459-8},
       URL = {https://doi.org/10.1007/s10915-024-02459-8},
}