@article{DA_2004_11_4_a6,
     author = {A. J. van Zanten and I. N. Suparta},
     title = {Totally balanced and exponentially balanced {Gray} codes},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {81--98},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DA_2004_11_4_a6/}
}