On the Weak and Strong Stability of Numerical Solutions of Partial Differential Equations: The heat equation. January 28,1952, Volume 1

A Survey of the Theory of the Boundedness, Stability, and Asymptotic Behavior of Solutions of Linear and Non-linear Differential and Difference Equations

On the Weak and Strong Stability of Numerical Solutions of Partial Differential Equations: The heat equation. January 28,1952, Volume 1

Mathematical Optimization Techniques

On Convergent Perturbation Expansions

Classic Papers in Control Theory