TY  - BOOK
AU  - Helgason, Sigurdur
TI  - Groups and geometric analysis: integral geometry, invariant differential opertaors, and spherical functions
U1  - 512.55 
PY  - 1984///
CY  - Orlando
PB  - Academic Press
KW  - Lie Groups
KW  - Geometry, Differential
N1  - Bibliography : P. 611-645
ER  -