BADERTSCHER, E. Harmonic analysis and Radon transforms on pencils of geodesics. MATHEMATICA SCANDINAVICA, [S. l.], v. 58, p. 187–214, 1986. DOI: 10.7146/math.scand.a-12140. Disponível em: https://www.mscand.dk/article/view/12140. Acesso em: 24 nov. 2024.