@article{bwmeta1.element.bwnjournal-article-aav18i1p125bwm,
author = {Cohn, Harvey},
title = {Representation of Markoff's binary quadratic forms by geodesics on a perforated torus},
journal = {Acta Arithmetica},
volume = {18},
year = {1971},
pages = {125-136},
zbl = {0218.10041},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav18i1p125bwm}
}
Cohn, Harvey. Representation of Markoff's binary quadratic forms by geodesics on a perforated torus. Acta Arithmetica, Tome 18 (1971) pp. 125-136. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav18i1p125bwm/