Harmonic analysis on semigroups : theory of positive definite and related functions /
Christian Berg, Jens Peter Reus Christensen, Pa ul Ressel.
- New York : Springer-Verlag, c1984.
- x, 289 p. ; 24 cm.
- Graduate texts in mathematics ; 100 .
Includeds bibliographical refrences ( p. [273]-279) and index.