1. Lie Groups and Symmetric Spaces;Helgason,1968
2. Harmonic Analysis on a Hyperboloid of one sheet;Molčanov;Soviet Math. Dokl.,1966
3. Analogue of the Plancherel Formula for Hyperboloids;Molčanov;Soviet Math. Dokl.,1968
4. L'intégral de Riemann-Liouville et le problème de Cauchy;Riesz;Acta Math.,1949