@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/}
}