@article{DAN_1981_261_5_a14,
     author = {A. S. Alekseev and B. A. Bubnov},
     title = {On a combined statement of inverse seismics and gravimetry problems},
     journal = {Doklady Akademii Nauk},
     pages = {1086--1090},
     publisher = {mathdoc},
     volume = {261},
     number = {5},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_261_5_a14/}
}