@article{PFMT_2011_4_a4,
     author = {A. N. Godlevskaya and N. N. Egorov and A. N. Serdyukov},
     title = {Gravitational waves in the external gravitational field},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {24--27},
     publisher = {mathdoc},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2011_4_a4/}
}