1. A. C. Kak and M. Slaney, Principles of Computerized Tomographic Imaging (IEEE, New York, 1988).
2. C. Hamaker, K. T. Smith, D. C. Solmon, and S. L. Wagner, “The Divergent Beam X-Ray Transform,” Rocky Mt. J. Math. 10(1), 253–283 (1980).
3. L. A. Khalfin, L. B. Klebanov “A Solution of the Computer Tomography Paradox and Estimating the Distances between the Densities of Probabilistic Measures with the Same Marginals,” Ann. Prob. 22, 2235–2241 (1994).
4. O. V. Shestakov and T. Yu. Savenkov, “Estimation of the Distance between the Densities of Measures with Close Projections,” Vestn. Mosk. Univ., ser. 15: Vych. Mat. Kibern., No. 4, 44–46, (2001).
5. I. N. Troitskii, Statistical Theory of Tomography (Radio i Svyaz’, Moscow, 1989) [in Russian].