@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa134-4-2,
author = {Jan Florek},
title = {Billiard and diophantine approximation},
journal = {Acta Arithmetica},
volume = {135},
year = {2008},
pages = {317-327},
zbl = {1219.11104},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa134-4-2}
}
Jan Florek. Billiard and diophantine approximation. Acta Arithmetica, Tome 135 (2008) pp. 317-327. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa134-4-2/