TY  - BOOK
AU  - Berg Christian
AU  -  Christensen Jens Peter Reus
AU  -  Ressel Paul
TI  - Harmonic analysis on semigroups: Theory of positive definite and related functions
T2  - Graduate texts in mathematics; 100
U1  - B396, M4 
PY  - 1984///
CY  - New York    
PB  -  Springer Verlag       
KW  -  Semigroups
KW  - Harmonic analysis
ER  -