@article{bwmeta1.element.bwnjournal-article-fmv84i1p2bwm,
author = {W. Reinhardt},
title = {Set existence principles of Shoenfield, Ackermann, and Powell},
journal = {Fundamenta Mathematicae},
volume = {85},
year = {1974},
pages = {5-34},
zbl = {0279.02045},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv84i1p2bwm}
}
Reinhardt, W. Set existence principles of Shoenfield, Ackermann, and Powell. Fundamenta Mathematicae, Tome 85 (1974) pp. 5-34. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv84i1p2bwm/