@article{10_4153_CMB_1993_003_6,
     author = {Brown, Tom C.},
     title = {Descriptions of the {Characteristic} {Sequence} of an {Irrational}},
     journal = {Canadian mathematical bulletin},
     pages = {15--21},
     year = {1993},
     volume = {36},
     number = {1},
     doi = {10.4153/CMB-1993-003-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1993-003-6/}
}