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
SN  - 9780387909257
U1  - 515.2433 
PY  - 1984///
CY  - New York
PB  - Springer-Verlag
ER  -