@inproceedings{daniel2015motivic,
  title={Motivic stable homotopy and the stable 51 and 52 stems},
  author={Daniel C Isaksen, and Zhouli Xu},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210055220503395},
  booktitle={Topology and its Applications},
  volume={190},
  pages={31-34},
  year={2015},
}
             
            
                
Daniel C Isaksen, and Zhouli Xu. Motivic stable homotopy and the stable 51 and 52 stems. 2015. Vol. 190. In Topology and its Applications. pp.31-34. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210055220503395.