Isolated points on fibers of affinoid varieties. L. Lipshitz — 1988 Journal für die reine und angewandte Mathematik
Ultraproducts and Approximation in Local Rings. II. J. Denef; L. Lipshitz — 1980 Mathematische Annalen
Power Series Solutions of Algebraic Differential Equations. J. Denef; L. Lipshitz — 1984 Mathematische Annalen
Fields with analytic structure R. Cluckers; L. Lipshitz — 2011 Journal of the European Mathematical Society
Ultraproducts and Approximation in Local Rings I. Joseph Becker; J. Denef; L. Lipshitz — 1979 Inventiones mathematicae