@article{1250128570,
author = {Sember, J.J. and Freedman, A. R.},
title = {On summing sequences of 0's and 1's},
journal = {Rocky Mountain J. Math.},
volume = {11},
number = {4},
year = {1981},
pages = { 419-426},
language = {en},
url = {http://dml.mathdoc.fr/item/1250128570}
}
Sember, J.J.; Freedman, A. R. On summing sequences of 0's and 1's. Rocky Mountain J. Math., Tome 11 (1981) no. 4, pp. 419-426. http://gdmltest.u-ga.fr/item/1250128570/