@article{Hirst98,
  title = {Reverse Mathematics and Ordinal Multiplication},
  author = {Jeffry L. Hirst},
  year = {1998},
  researchr = {https://researchr.org/publication/Hirst98},
  cites = {0},
  citedby = {0},
  journal = {Math. Log. Q.},
  volume = {44},
  pages = {459-464},
}