1. Kozyrev, O.R. and Stepanyants, Yu.A., Integral relations method in the linear theory of hydrodynamic stability, in Itogi nauki i tekhniki. Ser. Mekhanika zhidkosti i gaza (Results of Science and Engineering. Series: Liquid Mechanics), Moscow: VINITI, 1991, vol. 25, pp. 3–89.
2. Georgievskii, D.V., Ustoichivost’ protsessov deformirovaniya vyazkoplasticheskikh tel (Deformation Processes Stability for Viscoelastic Bodies), Moscow: URSS, 1998.
3. Il’yushin, A.A., Viscoelastic bodies deformation, Uchen. Zap. MGU. Mekhan., 1940, vol. 39, pp. 3–81.
4. Joseph, D.D., Eigenvalue bounds for the Orr-Sommerfeld equation. Pt. 1, J. Fluid Mech., 1968, vol. 33, no. 3, pp. 617–621.
5. Georgievskii, D.V., Variational bounds and integral relations method in problems of stability, J. Math. Sci., 2008, vol. 154, no. 4, pp. 549–603.