1. B.P. Sibiriakov, Excitation of Spheric SH Waves in Elasticoplastic Media Shear and Converted Waves in Seismic Prospecting (in Russian), Nedra, Moscow, 1985, p. 111
2. N.N. Puzyrev, A.V. Trigubov, L. Yu Brodov et al., Seismic Prospecting Using the Shear Converted Waves Technique (in Russian), Nedra, Moscow, 1985, pp. 133–207
3. J.E. White, Underground Sound Application Of Seismic Waves, Elsevier, Amsterdam, 1983, p. 136
4. F.A. Usmanov, Foundations of Mathematical Analysis of Geological Structures (in Russian), FAS UzSSR, Tashkent, 1977, pp. 120–124
5. B.B. Dynkin, A.A. Yushkevich, Theorems and Problems on Markov's Processes (in Russian), Nauka, Moscow, 1967, p. 232