A Lattice-Ordered Skew Field Is Totally Ordered If Squares Are Positive

Yichuan Yang. A Lattice-Ordered Skew Field Is Totally Ordered If Squares Are Positive. The American Mathematical Monthly, 113(3):265-266, 2006. [doi]

@article{Yang06-14,
  title = {A Lattice-Ordered Skew Field Is Totally Ordered If Squares Are Positive},
  author = {Yichuan Yang},
  year = {2006},
  url = {http://www.jstor.org/stable/27641895},
  researchr = {https://researchr.org/publication/Yang06-14},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {113},
  number = {3},
  pages = {265-266},
}