1. A. N. Tikhonov, A. B. Vasil′eva, and A. G. Sveshnikov, Differential Equations [in Russian], Nauka, Fizmatlit, Moscow (1980).
2. A. G. Vikulov and A. V. Nenarokomov, Extreme method for identifying thermal mathematical models with lumped parameters, Tepl. Prots. Tekh., 7, No. 7, 307–317 (2015).
3. A. N. Tikhonov and V. Ya. Arsenin, Methods of Solving Ill-Posed Problems [in Russian], 2nd edn., Fizmatlit, Moscow (1979).
4. O. M. Alifanov, Inverse Heat Transfer Problems [in Russian], Mashinostroenie, Moscow (1988).
5. A. G. Vikulov and A. V. Nenarokomov, Variational method for identifying thermal mathematical models with lumped parameters, Tepl. Prots. Tekh., 8, No. 5, 214–226 (2016).