1. J. H. Ahlberg, E. N. Nilson, and J. L. Walsh, The Theory of Splines and Their Applications, Academic, New York (1967).
2. V. N. Bulgakov, Statics of Toroidal Shells [in Russian], Izd. Akad. Nauk Ukr. SSR, Kiev (1962).
3. S. K. Golushko and Yu. V. Nemirovskii, Direct and Inverse Problems of the Mechanics of Composite Plates and Shells of Revolution [in Russian], FIZMATLIT, Moscow (2008).
4. É. I. Grigolyuk and E. A. Kogan, Statics of Elastic Layered Shells [in Russian], NII Mekhaniki Mosk. Univ., Moscow (1999).
5. Ya. M. Grigorenko, Isotropic and Anisotropic Shells of Revolution with Variable Stiffness [in Russian], Naukova Dumka, Kiev (1973).