R. P. Gilbert
Constructive and Computational Methods for Differential and Integral Equations: Symposium, Indiana University, February 17-20, 1974 (Lecture Notes in Mathematics)
Advances in Analysis
Constructive and Computational Methods for Differential and Integral Equations
Constructive Methods for Elliptic Equations
From Convexity to Nonconvexity
Function Theoretic Methods in Partial Differential Equations
Further Progress in Analysis
Proceedings of the Second ISAAC Congress : Volume 1