1. Shebzukhova, I.G., Apekov, A.M., and Khokonov, Kh.B., Izv. Vyssh. Uchebn. Zaved. Sev.-Kavk. Reg. Estestv. Nauki, 2009, no. 3, p. 67.
2. Shebzukhova, I.G., Arefieva, L.P., and Khokonov, Kh.B., Bull. Russ. Acad. Sci.: Phys., 2012, vol. 76, no. 10, p. 1133.
3. Shebzukhova, I.G. and Apekov, A.M., Fundam. Probl. Radioelektron. Priborostr., 2008, vol. 8, no. 2, p. 103.
4. Shebzukhova, I.G., Apekov, A.M., and Khokonov, Kh.B., Bull. Russ. Acad. Sci.: Phys., 2014, vol. 78, no. 8, p. 804.
5. Digilov, R.M., Sozaev, V.A., and Khokonov, Kh.B., Poverkhnost’, 1987, no. 12, p. 138.