TY  - BOOK
AU  - Helgason,Sigurdur
TI  - Groups and geometric analysis: integral geometry, invariant differential operators, and spherical functions
T2  - Pure and applied mathematics
U1  - 512 
PY  - 1984///
CY  - New York
PB  - Academic Press
KW  - Lie groups
KW  - Geometry, Differential
ER  -