On 2D Inverse Problems/Bibliography

[AP] Astala, K. and P¨aiv¨arinta, L. "Calder´on’s inverse conductivity problem in the plane"

[BDK] Borcea, L., Druskin, V. and Knizhnerman, L. "On the continuum limit of a discrete inverse spectral problem on optimal finite difference grids", Communications on Pure and Applied Mathematics, Vol. 000, 0001–0048 (2000)

Kernels and Small Vibrations of Mechanical Systems", Revised Edition] * [K] Kac, M. "Can one hear the shape of a drum?", American Mathematical Monthly 73 (4, part 2): 1–23, (1966), doi:10.2307/2313748