Sigurður Helgason. (2000). Groups and geometric analysis: Integral geometry, invariant differential operators, and spherical functions (Reprinted with corrections.). American Mathematical Society.
Chicago-Zitierstil (17. Ausg.)Sigurður Helgason. Groups and Geometric Analysis: Integral Geometry, Invariant Differential Operators, and Spherical Functions. Reprinted with corrections. Providence, Rhode Island: American Mathematical Society, 2000.
MLA-Zitierstil (9. Ausg.)Sigurður Helgason. Groups and Geometric Analysis: Integral Geometry, Invariant Differential Operators, and Spherical Functions. Reprinted with corrections. American Mathematical Society, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.