Hyeonbae KangKiHyun YunBoundary Determination of Conductivities and Riemannian Metrics via Local Dirichlet-to-Neumann Operator.719-735200234SIAM J. Math. Anal.3https://doi.org/10.1137/S0036141001395042https://www.wikidata.org/entity/Q115246840db/journals/siamma/siamma34.html#KangY02