1. Van Nostrand Mathematical Studies;S. Agmon,1965
2. S. Agmon, Lower bounds for solutions of Schrödinger equations, Journal d’Analyse Mathématique 23 (1970), 1–25.
3. S. Agmon and L. Hörmander, Asymptotic properties of solutions of differential equations with simple characteristics, Journal d’Analyse Mathématique 30 (1976), 1–38.
4. S. Agmon, Lectures on exponential decay of solutions of second-order elliptic equations: bounds on eigenfunctions of N-body Schrödinger operators, Princeton University Press, Princeton, NJ, 1982.
5. S. Agmon, On Positive Solutions of Elliptic Equations with Periodic Coefficients in R N , Spectral Results and Extensions to Elliptic Operators on Riemannian Manifolds in Differential Equations, North Holland, Amsterdam, 1984.