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@article{DAN_1970_190_5_a14, author = {L. P. Grishchuk}, title = {On gravitational fields homogeneous in space}, journal = {Doklady Akademii Nauk}, pages = {1066--1069}, publisher = {mathdoc}, volume = {190}, number = {5}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_190_5_a14/} }
L. P. Grishchuk. On gravitational fields homogeneous in space. Doklady Akademii Nauk, Tome 190 (1970) no. 5, pp. 1066-1069. http://geodesic.mathdoc.fr/item/DAN_1970_190_5_a14/