@article{10_1017_S0017089510000042,
     author = {ESDAHL-SCHOU, R. and KRISTENSEN, S.},
     title = {ON {BADLY} {APPROXIMABLE} {COMPLEX} {NUMBERS}},
     journal = {Glasgow mathematical journal},
     pages = {349--355},
     year = {2010},
     volume = {52},
     number = {2},
     doi = {10.1017/S0017089510000042},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089510000042/}
}