@Article{EvenDiv,
author="Carmon, Dan",
title="Evenly divisible rational approximations of quadratic irrationalities",
journal="Israel Journal of Mathematics",
year="2017",
month="Nov",
day="30",
issn="1565-8511",
doi="10.1007/s11856-017-1624-6",
url="https://doi.org/10.1007/s11856-017-1624-6"
}