1. V. L. Berdichevskii, Variational Principles in Continuum Mechanics [in Russian], Nauka, Moscow (1983).
2. E. I. Bespalova, “Solving problems of elasticity by methods of complete systems,” Zh. Vych. Mat. Mat. Fiz., 29, No. 9, 1346–1353 (1989).
3. E. I. Bespalova and I. F. Latsinnik, “Stressed state in nonclosed cylindrical shells of arbitrary profile,” Int. Appl. Mech., 5, No. 5, 477–481 (1969).
4. A. I. Vaindiner, “A generalization of the Bubnov–Galerkin–Kantorovich method for approximate solution of boundary-value problems,” Vestnik MGU, Mat. Mekh., 2, 101–109 (1967).
5. V. Z. Vlasov, “A new practical method to design folded-plate structures and shells,” Stroit. Promyshlen., No. 11, 33–38; No. 12, 21–26 (1932).