Second Order Definability Via enumerations

Ivan N. Soskov. Second Order Definability Via enumerations. Math. Log. Q., 37(2-4):45-54, 1991. [doi]

@article{Soskov91,
  title = {Second Order Definability Via enumerations},
  author = {Ivan N. Soskov},
  year = {1991},
  doi = {10.1002/malq.19910370206},
  url = {http://dx.doi.org/10.1002/malq.19910370206},
  researchr = {https://researchr.org/publication/Soskov91},
  cites = {0},
  citedby = {0},
  journal = {Math. Log. Q.},
  volume = {37},
  number = {2-4},
  pages = {45-54},
}