Transmutation and Operator Differential Equations

Holomorphic Functions, Domains of Holomorphy and Local Properties

Hodge Theory, Complex Geometry, and Representation Theory

Geometric Methods in System Theory: Proceedings of the NATO Advanced Study Institute held at London, England, August 27-September 7, 1973

Symmetries And Curvature Structure In General Relativity

Algebraic Structure of String Field Theory

Complex Analysis in Locally Convex Spaces

Biomathematics in 1980: Papers presented at a workshop on biomathematics: current status and future perspective, Salerno, April 1980

Nonlinear Problems: Present and Future