1. Karpovich D. S., Susha O. N., Korovkina N. P., Kobrinets V. P.. Modeling of processes and control in technical systems. Proceedings of BSTU. Series 3. Mathematics. 2015, Pages 122–127.
2. Kudinov V.A., Kartashov E.M., Kalashnikov V.V. Analytical solutions of problems of heat and mass transfer and thermoelasticity for multilayer structures. Textbook for universities. Moscow: Higher School, 2005. p- 430.
3. Sivukhin D. V. General course of physics. Vol. 2. Thermodynamics and molecular physics. - Moscow: Nauka, 1990. p- 552.
4. Mikhlin S. G., Variational Methods in Mathematical Physics, 2nd ed., M. - L., 1970.