@article{GDZPPN002223228,
title = {Approximation Properties and Existential Completeness for Ring Morphisms.},
journal = {Manuscripta mathematica},
volume = {31},
year = {1980},
pages = {227-282},
zbl = {0472.13013},
url = {http://dml.mathdoc.fr/item/GDZPPN002223228}
}
Basarab, S.; Nica, V. Approximation Properties and Existential Completeness for Ring Morphisms.. Manuscripta mathematica, Tome 31 (1980) pp. 227-282. http://gdmltest.u-ga.fr/item/GDZPPN002223228/