In studies of general operators of the same nature, general convolution transforms are immediately encountered as the objects of inversion. The relation between differential operators and integral transforms is the basic theme of this work. Discusses finite and non-finite kernels, variation diminishing transforms, asymptotic behavior of kernels, real inversion theory, representation theory, the Weierstrass transform, and complex inversion theory. Unabridged republication of the edition published by Princeton University Press, Princeton, New Jersey, 1955.
Here's a sample of other books in this Dover category
Complex Variables and the Laplace Transform for Engineers by Wilbur R. LePage Acclaimed text on engineering math for graduate students covers theory of complex variables, Cauchy-Riemann equations, Fourier and Laplace transform theory, Z-transform, and much more. Many excellent problems.
Advanced Calculus: Second Edition by David V. Widder Classic text offers exceptionally precise coverage of partial differentiation, vectors, differential geometry, Stieltjes integral, infinite series, gamma function, Fourier series, Laplace transform, much more. Includes exercises and selected answers.
Unbounded Linear Operators: Theory and Applications by Seymour Goldberg In simple notation and a readable style, this classic offers advanced undergraduates and graduate students a comprehensive, self-contained, and systematic treatment covering both theory and applications to differential equations.