@article{GDZPPN002093049,
title = {The Elementary Theory of co-Free Ax Fields},
journal = {Inventiones mathematicae},
volume = {34},
year = {1976},
pages = {187-206},
zbl = {0342.12104},
url = {http://dml.mathdoc.fr/item/GDZPPN002093049}
}
Jarden, M. The Elementary Theory of co-Free Ax Fields. Inventiones mathematicae, Tome 34 (1976) pp. 187-206. http://gdmltest.u-ga.fr/item/GDZPPN002093049/