@article{IM_1994__118_1_144244,
     author = {Gen Nakamura and Gunther Uhlmann},
     title = {Global uniqueness for an inverse boundary problem arising in elasticity.},
     journal = {Inventiones mathematicae},
     pages = {457--474},
     publisher = {mathdoc},
     volume = {118},
     number = {1},
     year = {1994},
     zbl = {0814.35147},
     url = {http://geodesic.mathdoc.fr/item/IM_1994__118_1_144244/}
}