1. B. V. Bokut’ and A. N. Serdukov, Fundamentals of Theoretical Crystal Optics, The School-Book (Gomel’, 1977) [in Russian].
2. L. E. Solov’ev and V. S. Rudakov, Vestn. LGU, No. 4, 23 (1968).
3. J. P. Laurenty, K. G. Rustagi, and M. Rouzeyere, J. Appl. Phys. Lett. 45, 212 (1976). https://doi.org/10.1063/1.88700
4. N. A. Romanyuk, Crystal Optics (L’vov. Gos. Univ., L’vov, 1971) [in Russian].
5. V. I. Stadnik, R. S. Brezvin, and V. Yu. Kurlyak, Opt. Spectrosc. 77, 746 (1994).