Sh:337

Bib entry
@article{Sh:337,
 author = {Judah, Haim I. and Shelah, Saharon},
 title = {{$\boldsymbol{\Delta}^1_3$-sets of reals}},
 journal = {J. Symbolic Logic},
 fjournal = {The Journal of Symbolic Logic},
 volume = {58},
 number = {1},
 year = {1993},
 pages = {72--80},
 issn = {0022-4812},
 doi = {10.2307/2275325},
 mrclass = {03E15 (03E35 03E40)},
 mrnumber = {1217177},
 mrreviewer = {Eva Coplakova},
 doi = {10.2307/2275325}
}