@article{DAN_1981_256_4_a13,
     author = {G. A. Alekseev},
     title = {On soliton solutions of {Einstein's} equations in a vacuum},
     journal = {Doklady Akademii Nauk},
     pages = {827--830},
     publisher = {mathdoc},
     volume = {256},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_4_a13/}
}