1. O. A. Ladyzhenskaya, V. A. Solonnikov, and N. N. Ural’tseva, Linear and Quasilinear Parabolic Equations (Nauka, Moscow, 1967) [in Russian].
2. A. I. Prilepko, D. G. Orlovsky, and I. A. Vasin, Methods for Solving Inverse Problems in Mathematical Physics (Marcel Dekker, New York, 1999).
3. V. Isakov, Inverse Problems for Partial Differential Equations (Springer, Berlin, 2006).
4. Ya. Ya. Belov, Inverse Problems for Parabolic Equations (VSP, Utrecht, 2002).
5. S. I. Kabanikhin, Inverse and Ill-Posed Problems (Nauka, Novosibirsk, 2009) [in Russian].