1. V. M. Isakov, Commun. Pure. Appl. Math. 44, 185–209 (1991).
2. R. Lattes and J.-L. Lions, Methode de quasi reversibilite et applications (Dunod, Paris, 1967; Mir, Moscow, 1970).
3. M. V. Klibanov, Dokl. Akad. Nauk SSSR 280, 533–536 (1985).
4. A. I. Prilepko, D. G. Orlovsky, and I. A. Vasin, Methods for Solving Inverse Problems in Mathematical Physics (Marcel Dekker, New York, 1999).
5. N. L. Gol’dman, Inverse Stefan Problems (Kluwer Academic, Dordrecht, 1997).