Bhattacharyya, S. (2018). Local uniqueness of the density from partial boundary data for isotropic elastodynamics. Inverse Problems, 34(12), 125001. doi: 10.1088/1361-6420/aade76 

Bhattacharyya, S. and Cârstea, C. (2018). Optimal Stability Estimate In The Inverse Boundary Value Problem For Periodic Potentials With Partial Data. Journal of Mathematical Analysis and Applications, 466(1), pp.642-654. doi:10.1016/j.jmaa.2018.06.015