@article{GDZPPN002314827, title = {A Counterexample to Artin Approximation With Respect to Subrings.}, journal = {Mathematische Annalen}, volume = {229}, year = {1977}, pages = {195-196}, zbl = {0359.13007}, url = {http://dml.mathdoc.fr/item/GDZPPN002314827} }
Becker, Joseph. A Counterexample to Artin Approximation With Respect to Subrings.. Mathematische Annalen, Tome 229 (1977) pp. 195-196. http://gdmltest.u-ga.fr/item/GDZPPN002314827/