Russian Mathematical Surveys · 1966 · 114 citations · 9 references
Natural SciencesMathematicsDifferential EquationsRadiation PhysicsRadiation TransportBoundary-value ProblemsExistence TheoryInitial Value ProblemsPartial Differential EquationsFundamental SolutionsUniqueness Theorems For Partial Differential Equations
CONTENTSIntroductionChapter I. Equations with constant coefficients § 1. Auxiliary statements § 2. Construction of fundamental solutions § 3. Asymptotic behaviour of fundamental solutions § 4. Conditions for existence and uniqueness of a solutionChapter II. Principle of limit absorption § 1. Generalized principle of limit absorption § 2. Sharpening of Theorem 2.2Chapter III. Equations with variable coefficients § 1. Conditions for existence and uniqueness of a solution § 2. An example § 3. A sufficient condition for § 4. Principle of limit absorption and generalized principle of limit absorption for equations with variable coefficientsChapter IV. Principle of limit amplitudeReferences
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Shmuel Agmon, Avron Douglis, Louis Nirenberg · Communications on Pure and Applied Mathematics · 1959 · 3.8K citations
Natural Sciences, Mechanical Engineering, Differential Equations +10
On the theory of general partial differential operators
Lars Hörmander · Acta Mathematica · 1955 · 336 citations · Full text