@article{MAN_1977__230_163040,
     author = {Joseph Becker},
     title = {A {Counterexample} to {Artin} {Approximation} {With} {Respect} to {Subrings.}},
     journal = {Mathematische Annalen},
     pages = {195--196},
     publisher = {mathdoc},
     volume = {230},
     year = {1977},
     zbl = {0359.13007},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__230_163040/}
}