1. A. N. Tikhonov and V. Ya. Arsenin, Solutions of Ill-Posed Problems (Nauka, Moscow, 1979; Wiley, New York, 1977).
2. A. F. Verlan’ and V. S. Sizikov, Integral Equations: Methods, Algorithms, Programs. A Handbook (Naukova Dumka, Kiev, 1986) [in Russian].
3. A. F. Verlan’ and V. S. Sizikov, Methods of Solution of Integral Equations and Computer Programs (Naukova Dumka, Kiev, 1978) [in Russian].
4. V. S. Sizikov, Integral Equations and MatLab in Problems of Tomography, Iconics and Spectroscopy (LAMBERT Academic Publ., Saarbrucken, 2011).
5. Yu. P. Petrov and V. S. Sizikov, Correct, Incorrect and Intermediate Tasks with Appendices: Studies. Manual for Higher Education Institutions (Politekhnika, St. Petersburg, 2012) [in Russian].