Harmonic analysis on semigroups : theory of positive definite and related functions - Berg, Christian, 1944-; Christensen, Jens Peter Reus.; Ressel, Paul. (New York : Springer-Verlag, 1984)
Includeds bibliographical refrences ( p. [273]-279) and index.
Keywords: Harmonic analysis; Semigroups; Positive-definite functions