1. P. S. Martyshko, I. V. Ladovskii, and A. G. Tsidaev, Izv., Phys. Solid Earth 46(11), 931–943 (2010).
2. P. S. Martyshko and I. L. Prutkin, Geofiz. Zh. 25(3), 159–168 (2003).
3. V. V. Vasin, G. Ya. Perestoronina, I. L. Prutkin, and L. Yu. Timerkhanova, Mat. Model. 15(2), 69–76 (2003).
4. E. N. Akimova, Vestn. NNGU, No. 4, 181–189 (2009).
5. V. V. Vasin and G. G. Skorik, J. Inverse Ill-Posed Problems 18(8), 855–876 (2011).