1. V. I. Agoshkov, V. B. Zalesny, F. P. Minuk, and A. S. Rusakov, “Study and Solution of Identification Problems for Nonstationary 2D-and 3D-Convection-Diffusion Equation,” Russ. J. Numer. Anal. Math. Model. 20(1) (2005).
2. V. I. Agoshkov, Method of Optimal Control and Adjoint Equations in Problems of Mathematical Physics (IVM RAN, Moscow, 2003) [in Russian].
3. V. I. Agoshkov, A. V. Gusev, N. A. Diansky, and R. V. Oleinikov, “An Algorithm for the Solution of the Ocean Hydrothermodynamics Problem with Variational Assimilation of the Sea Level Function Data,” Russ. J. Numer. Anal. Math. Model. 22(2), 133–162 (2007).
4. G. I. Marchuk, Methods of Numerical Mathematics (Springer-Verlag, New York, 1982; Nauka, Moscow, 1989).
5. A. A. Samarskii, Theory of Finite-Difference Schemes (Nauka, Moscow, 1977) [in Russian].