Berg, Christian and Others <br/><br/>
Harmonic analysis on semigroups; theory of positive definite and related functions   
By Christian Berg, Jens Peter Reus Christensen & Paul Ressel 
 - New York  Springer-Verlag  1984 
 - x, 289p. Index 
 - Graduate texts in Mathematics   v. 100 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>515.24  / B493.HA