1. Magaril-Il’yaev, G.G. and Osipenko, K.Yu., Optimal Reconstruction of Functions and Their Derivatives from Fourier Coefficients Specified with Error, Mat. Sb., 2002, vol. 193, no. 3, pp. 79–100.
2. Magaril-Il’yaev, G.G. and Osipenko, K.Yu., Optimal Reconstruction of Functions and Their Derivatives from Approximate Information about the Spectrum, and Inequalities for the Derivatives, Funktsional. Anal. i Prilozhen., 2003, vol. 37, pp. 51–64.
3. Magaril-Il’yaev, G.G., Osipenko, K.Yu., and Tikhomirov, V.M., On Optimal Recovery of Heat Equation Solutions, in Approximation Theory: A Volume Dedicated to B. Bojanov, Dimitrov, D.K., Nikolov, G., and Uluchev, R., Eds., Sofia, 2004, pp. 163–175.
4. Osipenko, K.Yu., On the Reconstruction of the Solution of the Dirichlet Problem from Inexact Initial Data, Vladikavkaz. Mat. Zh., 2004, vol. 6, no. 4, pp. 55–62.
5. Balova, E.A., On an Optimal Reconstruction of the Solution of the Dirichlet Problem in an Annulus, Vladikavkaz. Mat. Zh., 2006, vol. 8, no. 2, pp. 15–23.