@article{DAN_1981_257_2_a14,
     author = {M. A. Aleksidze and N. L. Lekishvili and M. M. Nikolaishvili},
     title = {Definition of the density of {Earth} uppermost layers},
     journal = {Doklady Akademii Nauk},
     pages = {313--315},
     publisher = {mathdoc},
     volume = {257},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_2_a14/}
}