00513nam a2200133Ia 4500082002000000100003100020245015100051260003600202300001900238490004300257500000500300700004500305700002900350  a515.24bB493.HA  aBerg, Christian and Others  aHarmonic analysis on semigroups; theory of positive definite and related functionsbcBy Christian Berg, Jens Peter Reus Christensen & Paul Ressel  aNew YorkbSpringer-Verlagc1984  ax, 289p. Index  aGraduate texts in Mathematicsv v. 100  a  aChristensen, Jens Peter Reus ; jt. auth.  aRessel, Paul ; jt. auth.