1. I. Ya. Amiro and V. A. Zarutskii, “Taking the discrete rib spacing into account when studying the stressed–strained state, vibrations, and stability of ribbed shells (review),” Int. Appl. Mech., 34, No. 4, 299–314 (1998).
2. K. L. Golovko, P. Z. Lugovoi, and V. F. Meish, Dynamics of Inhomogeneous Shells under Nonstationary Loads [in Russain], Poligr. Tsentr “Kievskii Universitet,” Kiev (2012).
3. V. I. Gulyaev, V. A. Bazhenov, and E. A. Gotsulyak, Stability of Nonlinear Mechanical Systems [in Russian], Vyshcha Shkola, Lviv (1982).
4. V. F. Meish, “Numerical solution of dynamic problems for reinforced ellipsoidal shells under nonstationary loads,” Int. Appl. Mech., 41, No. 4, 386–391 (2005).
5. I. K. Naval, V. I. Patsyuk, and V. K. Rimskii, Nonstationary Waves in Deformable Materials [in Russian], Shtiintsa, Kishinev (1986).