@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa110-4-2,
author = {Umberto Zannier},
title = {Parametrizing SL2(Z) and a question of Skolem},
journal = {Acta Arithmetica},
volume = {108},
year = {2003},
pages = {331-337},
zbl = {1049.11029},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa110-4-2}
}
Umberto Zannier. Parametrizing SL₂(ℤ) and a question of Skolem. Acta Arithmetica, Tome 108 (2003) pp. 331-337. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa110-4-2/