@inproceedings{wolfgang1967on,
title={On simultaneous approximations of two algebraic numbers by rationals},
author={Wolfgang M. Schmidt},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203212872746041},
booktitle={Acta Mathematica},
volume={119},
number={1},
pages={27-50},
year={1967},
}
Wolfgang M. Schmidt. On simultaneous approximations of two algebraic numbers by rationals. 1967. Vol. 119. In Acta Mathematica. pp.27-50. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203212872746041.