1. On the uniqueness of inverse problem of potential theory;Novikov;Dokl. Acad. Sci. USSR,1938
2. Equivalence and uniqueness in the inverse problem of potential theory for homogeneous star-shaped bodies;Margulis;Dokl. Acad. Sci. USSR,1990
3. Inverse Problems;Ramm,2005
4. A symmetry problem;Ramm;Ann. Polon. Math.,2007
5. Scattering by Obstacles;Ramm,1986