@article{02245713,
title = {An ergodic sum related to the approximation by continued fractions.},
journal = {The New York Journal of Mathematics [electronic only]},
volume = {11},
year = {2005},
pages = {345-349},
zbl = {1142.11053},
language = {en},
url = {http://dml.mathdoc.fr/item/02245713}
}
Haas, Andrew. An ergodic sum related to the approximation by continued fractions.. The New York Journal of Mathematics [electronic only], Tome 11 (2005) pp. 345-349. http://gdmltest.u-ga.fr/item/02245713/