@article{DAN_1969_186_1_a22,
     author = {A. S. Alekseev and G. M. Tsybul'chik},
     title = {A numerical method for determining mean earth crust characteristics from seismograms of remote earthquakes},
     journal = {Doklady Akademii Nauk},
     pages = {92--95},
     publisher = {mathdoc},
     volume = {186},
     number = {1},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_186_1_a22/}
}