TY  - GEN
AU  - Helgason, S
TI  - Gruppy i geometricheskij analiz: Integralnaia geometriia, invariantnye differentsial'nye operatory i sfericheskie funktsii
U1  - 512.81 
PY  - 1987///
CY  - Moskva
PB  - Mir
KW  - Grupuri
KW  - Geometrie analitica
N1  - Cuprinde bibliografie si index; Scriere chirilica; Groups and Geometric Analysis: Integral Geometry, Invariant Differential Operators and Spherical Functions - Sigurdur Helgason; (Pure and Applied Mathematics - A series of Monographs and Text)
ER  -