Duke Mathematical Journal · 1993 · 550 citations · 6 references
Natural SciencesMathematicsComputational MechanicsBoundary ConditionsBoundary-value ProblemsEigenvalue ProblemsVariational FormulationVariational InequalitiesBoundary Value Problem SolversNeumann Problems
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Estimates for translation invariant operators in Lp spaces
Lars Hörmander · Acta Mathematica · 1960 · 1.4K citations · Full text