Proceedings of the American Mathematical Society · 1997 · 26 citations · 9 references
Natural SciencesMathematicsDifferential EquationsPartial Differential EquationsNonlinear Partial Differential Equations
We show that any entire solution of an essentially nonlinear first-order partial differential equation in two variables must be linear.
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Robert Osserman, Johannes C. C. Nitsche · American Mathematical Monthly · 1991 · 422 citations
Isolated Singularities of Minimal Surfaces
Lipman Bers · Annals of Mathematics · 1951 · 134 citations