@article{10_4064_aa135_4_1,
     author = {Michael Drmota and Peter J. Grabner and Pierre Liardet},
     title = {Block additive functions on the {Gaussian} integers},
     journal = {Acta Arithmetica},
     pages = {299--332},
     publisher = {mathdoc},
     volume = {135},
     number = {4},
     year = {2008},
     doi = {10.4064/aa135-4-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa135-4-1/}
}