@article{DAN_1975_223_1_a21,
     author = {S. Ts. Akopyan and V. N. Zharkov and V. M. Lyubimov},
     title = {On earth interior dynamic shear modulus},
     journal = {Doklady Akademii Nauk},
     pages = {87--89},
     publisher = {mathdoc},
     volume = {223},
     number = {1},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_223_1_a21/}
}