@article{MAN_1985__272_164027,
     author = {M. L. Brown},
     title = {Zero {Estimates} for {Polynomials} {Over} {Commutative} {Rings.}},
     journal = {Mathematische Annalen},
     pages = {489--504},
     publisher = {mathdoc},
     volume = {272},
     year = {1985},
     zbl = {0553.13002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__272_164027/}
}