A note on "Note on boundary obstruction to Jacobian conjecture of two variables" by M.Oka.

@inproceedings{CassouNogus2007ANO,
  title={A note on "Note on boundary obstruction to Jacobian conjecture of two variables" by M.Oka.},
  author={Pierrette Cassou-Nogu{\`e}s},
  year={2007}
}