APA (7th ed.) Citation

Helgason, S. (2000). Groups and geometric analysis : integral geometry, invariant differential operators, and spherical functions / Sigurdur Helgason: Integral geometry, invariant differential operators, and spherical functions. American Mathematical Society.

Chicago Style (17th ed.) Citation

Helgason, Sigurdur. Groups and Geometric Analysis : Integral Geometry, Invariant Differential Operators, and Spherical Functions / Sigurdur Helgason: Integral Geometry, Invariant Differential Operators, and Spherical Functions. Providence, R.I.: American Mathematical Society, 2000.

MLA (9th ed.) Citation

Helgason, Sigurdur. Groups and Geometric Analysis : Integral Geometry, Invariant Differential Operators, and Spherical Functions / Sigurdur Helgason: Integral Geometry, Invariant Differential Operators, and Spherical Functions. American Mathematical Society, 2000.

Warning: These citations may not always be 100% accurate.