Benedikt Löwe. Turing cones and set theory of the reals. Arch. Math. Log., 40(8):651-664, 2001. [doi]
@article{Lowe01:0, title = {Turing cones and set theory of the reals}, author = {Benedikt Löwe}, year = {2001}, doi = {10.1007/s001530100092}, url = {http://dx.doi.org/10.1007/s001530100092}, researchr = {https://researchr.org/publication/Lowe01%3A0}, cites = {0}, citedby = {0}, journal = {Arch. Math. Log.}, volume = {40}, number = {8}, pages = {651-664}, }