Calculus in Vector Spaces without Norm (Lecture Notes in Mathematics, 30)
Minimal Factorization of Matrix and Operator Functions (Operator Theory: Advances and Applications, 1)
Equations with Involutive Operators
Linear Elliptic Differential Systems and Eigenvalue Problems (Lecture Notes in Mathematics, 8)
Integral Operators in the Theory of Linear Partial Differential Equations
Eigenfunction Branches of Nonlinear Operators, and their Bifurcations
Algebraic Methods for Toeplitz-like Matrices and Operators (Operator Theory: Advances and Applications)
Multipliers on Locally Compact Groups
Seminar on Functional Operators and Equations: Forschungsinstitut Für Mathematik, Eth, Zürich, October 1965 - July 1966 (Lecture Notes in Mathematics, 33)
Differential Equations with Operator Coefficients with Applications to Boundary Value Problems for Partial Differential Equations
