Helgason, S. (1980). The Radon transform. Brikhäuser.
Cita Chicago (17th ed.)Helgason, Sigurdur. The Radon Transform. Boston: Brikhäuser, 1980.
Cita MLA (9th ed.)Helgason, Sigurdur. The Radon Transform. Brikhäuser, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.