Felipe Cucker. The Arithmetical Hierarchy over the Reals. Journal of Logic and Computation, 2(3):375-395, 1992.
@article{Cucker92, title = {The Arithmetical Hierarchy over the Reals}, author = {Felipe Cucker}, year = {1992}, researchr = {https://researchr.org/publication/Cucker92}, cites = {0}, citedby = {0}, journal = {Journal of Logic and Computation}, volume = {2}, number = {3}, pages = {375-395}, }