@article{GDZPPN00242780X, title = {Artin Approximation and Formal Fibres of Local Rings.}, journal = {Mathematische Zeitschrift}, volume = {183}, year = {1983}, pages = {221-228}, zbl = {0496.14003}, url = {http://dml.mathdoc.fr/item/GDZPPN00242780X} }
Brown, Martin L. Artin Approximation and Formal Fibres of Local Rings.. Mathematische Zeitschrift, Tome 183 (1983) pp. 221-228. http://gdmltest.u-ga.fr/item/GDZPPN00242780X/