@article{bwmeta1.element.bwnjournal-article-fmv82i1p13bwm,
author = {Kurt Hauschild},
title = {Rekursive Unentscheidbarkeit der Theorie der pythagor\"aischen K\"orper},
journal = {Fundamenta Mathematicae},
volume = {85},
year = {1974},
pages = {191-197},
zbl = {0299.02056},
language = {deu},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv82i1p13bwm}
}
Hauschild, Kurt. Rekursive Unentscheidbarkeit der Theorie der pythagoräischen Körper. Fundamenta Mathematicae, Tome 85 (1974) pp. 191-197. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv82i1p13bwm/