@article{JTNB_2002__14_2_517_0,
     author = {Heuberger, Clemens},
     title = {Minimal redundant digit expansions in the gaussian integers},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {517--528},
     publisher = {Universit\'e Bordeaux I},
     volume = {14},
     number = {2},
     year = {2002},
     mrnumber = {2040691},
     zbl = {1076.11005},
     language = {en},
     url = {http://archive.numdam.org/item/JTNB_2002__14_2_517_0/}
}