@inproceedings{joel1991smooth,
title={Smooth static solutions of the Einstein/Yang-Mills equations},
author={Joel A Smoller, Arthur G Wasserman, Shing-Tung Yau, and JB McLeod},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203610408107059},
booktitle={Communications in mathematical physics},
volume={143},
number={1},
pages={115-147},
year={1991},
}

Joel A Smoller, Arthur G Wasserman, Shing-Tung Yau, and JB McLeod. Smooth static solutions of the Einstein/Yang-Mills equations. 1991. Vol. 143. In Communications in mathematical physics. pp.115-147. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203610408107059.