@inproceedings{e.1954the,
title={The inhomogeneous minima of binary quadratic forms (IV)},
author={E. S. Barnes},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203141444807806},
booktitle={Acta Mathematica},
volume={92},
number={1},
pages={235-264},
year={1954},
}