@article{bwmeta1.element.bwnjournal-article-fmv86i1p3bwm,
author = {T. McLaughlin},
title = {Degrees of unsolvability within a regressive isol},
journal = {Fundamenta Mathematicae},
volume = {85},
year = {1974},
pages = {29-40},
zbl = {0308.02046},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv86i1p3bwm}
}
McLaughlin, T. Degrees of unsolvability within a regressive isol. Fundamenta Mathematicae, Tome 85 (1974) pp. 29-40. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv86i1p3bwm/