@article{DAN_1987_297_1_a13,
     author = {R. M. Galperina and E. I. Galperin},
     title = {Mosaic structure of remote earthquake wave field},
     journal = {Doklady Akademii Nauk},
     pages = {60--64},
     publisher = {mathdoc},
     volume = {297},
     number = {1},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_297_1_a13/}
}