1. M. L. Agranovsky, “On a problem of injectivity for the Radon transform on
a paraboloid,” Contemporary Math. 251, 1
(1999).
2. M. Agranovsky and Y. Krasnov, “Quadratic divisors of harmonic polynomials
in $${\mathbb
R}^{n}$$,” J. Anal. Math. 82, 379 (2000).
3. H. Bateman and A. Erdélyi, Higher
Transcendental Functions, 2 (McGraw-Hill Book Co., New York–London,
1953).
4. N. Bourbaki, Groupes et algébres de
Lie, Chapitres $$4$$ á $$6$$ (Hermann, Berlin, 1968; Mir, Moscow, 1972).
5. N. Bourbaki, Groupes et algébres de
Lie, Chapitres $$9:$$ Groupes de Lie réels compacts (Masson, Paris etc., 1982;
Mir, Moscow, 1986).