Characterising the largest, countable partial ordering

John Lake. Characterising the largest, countable partial ordering. Math. Log. Q., 21(1):353-354, 1975. [doi]

@article{Lake75-0,
  title = {Characterising the largest, countable partial ordering},
  author = {John Lake},
  year = {1975},
  doi = {10.1002/malq.19750210143},
  url = {http://dx.doi.org/10.1002/malq.19750210143},
  researchr = {https://researchr.org/publication/Lake75-0},
  cites = {0},
  citedby = {0},
  journal = {Math. Log. Q.},
  volume = {21},
  number = {1},
  pages = {353-354},
}