Sh:321
- Judah, H. I., & Shelah, S. (1989). \Delta^1_2-sets of reals. Ann. Pure Appl. Logic, 42(3), 207–223. DOI: 10.1016/0168-0072(89)90016-X MR: 998607
- published version (17p)
Bib entry
@article{Sh:321,
author = {Judah, Haim I. and Shelah, Saharon},
title = {{$\Delta^1_2$-sets of reals}},
journal = {Ann. Pure Appl. Logic},
fjournal = {Annals of Pure and Applied Logic},
volume = {42},
number = {3},
year = {1989},
pages = {207--223},
issn = {0168-0072},
mrnumber = {998607},
mrclass = {03E15},
doi = {10.1016/0168-0072(89)90016-X}
}