TY  - BOOK
AU  - Helgason, Sigurdur 
TI  - Groups and geometric analysis: integral geometry, invariant differential operators, and spherical functions
SN  - 0123383013
U1  - 512.55 HEL  
PY  - 1984///
CY  - .- New York 
PB  - :	Academic Press
KW  - Mathematics
KW  - Linear Algebra
ER  -