@article{RM_1979_34_1_a15,
     author = {P. A. Mishnaevskii and A. G. Ramm},
     title = {On~the~uniqueness of~harmonic coordinates in~the~general theory of~relativity},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {235--236},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1979},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1979_34_1_a15/}
}