1. Bazulin, E.G., Ultrasonic control of welded joints in a Dn800-type pipeline. Part I: Restoring reflector Images by digital focusing with an antenna, Russ. J. Nondestr. Test., 2017, vol. 53, no. 3, pp. 175–189.
2. Tikhonov, A.N. and Arsenin, V.Ya., Metody resheniya nekorrektnykh zadach (Methods for Solving Ill-Posed Problems), Moscow: Nauka, 1986, 3rd ed.
3. Kullback, S., Information Theory and Statistics, New York, 1968.
4. Maisinger, K., Hobson, M.P., and Lasenby, A.N., Maximum entropy image reconstruction using wavelets, Mon. Not. R. Astron. Soc., 2003, pp. 1–21.
5. Bazulin, E.G., Reconstructing the deflector images from the ultrasonic echo signals by the maximum entropy method, Appl. Phys. Res., vol. 6, no. 6, pp. 87–106.