1. R. Bellman and R. Kalaba, Quasilinearization and Nonlinear Boundary-Value Problems, Elsevier, New York (1965).
2. E. I. Bespalova, “Generalized method of finite integral transforms in static problems for anisotropic prisms,” Prikl. Mekh., 54, No. 1, 52–67 (2018); English translation: Int. Appl. Mech., 54, No. 1, 41–55 (2018); https://doi.org/10.1007/s10778-018-0858-2
3. E. I. Bespalova, “Finite integral transform method in static problems for inhomogeneous plates,” Prikl. Mekh., 50, No. 6, 55–68 (2014); English translation: Int. Appl. Mech., 50, No. 6, 651–663 (2014); https://doi.org/10.1007/s10778-014-0663-5.
4. Ya. M. Grigorenko, E. I. Bespalova, A. B. Kitaigorodskii, and A. B. Shinkar', “Numerical solutions of nonlinear static boundaryvalue problems for flexible plates,” Dokl. Akad. Nauk. Ukr. SSR. Ser. A, No. 6, 44–48 (1980).
5. G. A. Grinberg, “A new method for solving some boundary-value problems for equations of mathematical physics admitting separation of variables,” Izv. Akad. Nauk SSSR, Ser. Fiz., 10, No. 2, 141–168 (1946).