@article{HoNePi17,
    AUTHOR = {Hofmann, Michael and Nestler, Franziska and Pippig, Michael},
    TITLE = {{NFFT} based {E}wald summation for electrostatic systems with charges and dipoles},
    JOURNAL = {Appl. Numer. Math.},
    VOLUME = {122},
    PAGES = {39--65},
    YEAR = {2017},
    ISSN = {0168-9274},
    DOI = {10.1016/j.apnum.2017.07.008},
    URL = {http://www.sciencedirect.com/science/article/pii/S0168927417301666}
}