@article{BeckerDenefLipshitzvandenDries:IM:1979,
    title = {Ultraproducts and approximation in local rings I},
    volume = {51},
    issn = {1432-1297},
    url = {http://dx.doi.org/10.1007/BF01390228},
    doi = {10.1007/bf01390228},
    number = {2},
    journal = {Inventiones mathematicae},
    publisher = {Springer Science and Business Media LLC},
    author = {Becker, Joseph and Denef, Jand and Lipshitz, Leonard and van den Dries, Lou},
    year = {1979},
    month = {jun},
    pages = {189--203},
    date-added = {2024-5-9 15:21:53 +0100}
}

@article{BeckerDenefLipshitzvandenDries:IM:1979, title = {Ultraproducts and approximation in local rings I}, volume = {51}, issn = {1432-1297}, url = {http://dx.doi.org/10.1007/BF01390228}, doi = {10.1007/bf01390228}, number = {2}, journal = {Inventiones mathematicae}, publisher = {Springer Science and Business Media LLC}, author = {Becker, Joseph and Denef, Jand and Lipshitz, Leonard and van den Dries, Lou}, year = {1979}, month = {jun}, pages = {189--203}, date-added = {2024-5-9 15:21:53 +0100} }