1. Uchaikin, V.V., Variational Interpolation Method in Nuclear-Engineering Calculations, Atom. Energ., 1989, vol. 67, pp. 54/55.
2. Marchuk, G.I. and Orlov, V.V., K teorii sopryazhennykh funktsii (Theory of Conjugate Functions), Neitronnaya fizika, Moscow: Atomizdat, 1961, pp. 30–45.
3. Uchaikin, V.V., and Litvinov, V.A., Variational Interpolation Method in Radiative Transfer Theory, Optika Atm. Okeana, 1989, vol. 2, no. 1, pp. 36–40.
4. Litvinov, V.A., Variational Interpolation in the Problem of Sensitivity of Characteristics of Cascade Processes, Yad. Fiz., 1993, vol. 56, no. 2, pp. 244–254.
5. Uchaikin, V.V. and Litvinov, V.A., Variational Interpolation of Functionals in Transport Theory Inverse Problems, Num. An. Appl., 2013, vol. 12, no. 3, pp. 297–310.